The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
12 ReTech Corporation COM 90118L202 0 13,000 SH   SOLE   0 0 0
3m Company COM 88579Y101 4,228 23,800 SH   SOLE   0 0 0
AT&T COM 00206R102 2,337 95,001 SH   SOLE   0 0 0
AbbVie Inc COM 00287Y109 1,290 9,527 SH   SOLE   0 0 0
Abbott Labs COM 002824100 538 3,826 SH   SOLE   0 0 0
Activision Inc COM 00507V109 3,873 58,210 SH   SOLE   0 0 0
Air Prods & Chems COM 009158106 5,796 19,050 SH   SOLE   0 0 0
Allstate COM 020002101 400 3,400 SH   SOLE   0 0 0
Alphabet A (Google New) COM 02079K305 16,907 5,836 SH   SOLE   0 0 0
Alphabet C Non-voting (Google) COM 02079K107 26,488 9,154 SH   SOLE   0 0 0
Altria Group COM 02209S103 361 7,618 SH   SOLE   0 0 0
Amazon COM 023135106 3,144 943 SH   SOLE   0 0 0
American Express COM 025816109 12,063 73,734 SH   SOLE   0 0 0
Amgen Inc COM 031162100 706 3,140 SH   SOLE   0 0 0
Ants Software Inc COM 037271103 0 39,045 SH   SOLE   0 0 0
Apple Computer COM 037833100 12,147 68,406 SH   SOLE   0 0 0
Apple Rush Company Inc COM 03785R204 0 30,000 SH   SOLE   0 0 0
Artificial Intelligence Techno COM 04316D201 1 75,000 SH   SOLE   0 0 0
Atlas Corp COM Y0436Q109 201 14,200 SH   SOLE   0 0 0
Automatic Data Proc. COM 053015103 22,152 89,836 SH   SOLE   0 0 0
Autozone Inc COM 053332102 377 180 SH   SOLE   0 0 0
Balchem Corp COM 057665200 253 1,500 SH   SOLE   0 0 0
Bank Of America COM 060505104 4,612 103,669 SH   SOLE   0 0 0
Bank Of NY Mellon COM 064058100 3,162 54,445 SH   SOLE   0 0 0
Bausch Health Companie F COM 071734107 234 8,475 SH   SOLE   0 0 0
Berkshire Hathaway COM 084670991 1,803 4 SH   SOLE   0 0 0
Berkshire Hathaway B COM 084670207 49,978 167,151 SH   SOLE   0 0 0
Boeing COM 097023105 359 1,781 SH   SOLE   0 0 0
Bristol-Myers Squibb COM 110122108 2,766 44,366 SH   SOLE   0 0 0
CSX COM 126408103 662 17,612 SH   SOLE   0 0 0
Canadian Nat. Railway COM 136375102 1,391 11,325 SH   SOLE   0 0 0
Carrier Global COM 14448C104 247 4,558 SH   SOLE   0 0 0
Caterpillar Inc COM 149123101 239 1,155 SH   SOLE   0 0 0
Charter Communications COM 16119P108 2,103 3,226 SH   SOLE   0 0 0
Chevron COM 166764100 3,137 26,734 SH   SOLE   0 0 0
Chubb LTD F COM H1467J104 524 2,712 SH   SOLE   0 0 0
Church & Dwight COM 171340102 1,187 11,580 SH   SOLE   0 0 0
Cintas COM 172908105 551 1,244 SH   SOLE   0 0 0
Cisco Systems Inc COM 17275R102 607 9,580 SH   SOLE   0 0 0
Citigroup Inc COM 172967424 638 10,559 SH   SOLE   0 0 0
Cloudflare Inc COM 18915M107 276 2,100 SH   SOLE   0 0 0
Coca-Cola COM 191216100 4,811 81,247 SH   SOLE   0 0 0
Colgate Palmolive COM 194162103 2,516 29,477 SH   SOLE   0 0 0
Comcast A COM 20030N101 16,844 334,679 SH   SOLE   0 0 0
Conocophillips COM 20825C104 394 5,462 SH   SOLE   0 0 0
Constellation Brand A COM 21036P108 232 925 SH   SOLE   0 0 0
Corteva Inc COM 22052L104 267 5,639 SH   SOLE   0 0 0
Costco Wholesale COM 22160K105 3,153 5,554 SH   SOLE   0 0 0
Curaegis Technologies Inc COM 23127Q102 0 12,000 SH   SOLE   0 0 0
D R Horton Inc COM 23331A109 1,394 12,851 SH   SOLE   0 0 0
Deere And Co COM 244199105 823 2,400 SH   SOLE   0 0 0
Diageo (Guinness) COM 25243Q205 1,572 7,139 SH   SOLE   0 0 0
Discovery Holding A COM 25470F104 12,528 532,215 SH   SOLE   0 0 0
Disney COM 254687106 12,362 79,812 SH   SOLE   0 0 0
Domino's Pizza, Inc COM 25754A201 240 426 SH   SOLE   0 0 0
Dow Chemical COM 260557103 352 6,211 SH   SOLE   0 0 0
Eaton Corp COM G29183103 2,010 11,628 SH   SOLE   0 0 0
Ecolab Inc COM 278865100 469 2,000 SH   SOLE   0 0 0
Edwards Lifesciences COM 28176E108 11,588 89,448 SH   SOLE   0 0 0
Emerson Electric COM 291011104 522 5,620 SH   SOLE   0 0 0
Expeditors Int'l Of Wa COM 302130109 2,237 16,660 SH   SOLE   0 0 0
Exxon Mobil COM 30231G102 4,680 76,480 SH   SOLE   0 0 0
Facebook COM 30303M102 13,946 41,463 SH   SOLE   0 0 0
Fedex COM 31428X106 3,591 13,885 SH   SOLE   0 0 0
Fiserv Inc Com COM 337738108 4,543 43,768 SH   SOLE   0 0 0
Gazprom PJSC Fadr ADR COM 368287207 322 35,000 SH   SOLE   0 0 0
General Electric COM 369604301 313 3,312 SH   SOLE   0 0 0
General Mills COM 370334104 263 3,900 SH   SOLE   0 0 0
Goldman Sachs COM 38141G104 7,950 20,781 SH   SOLE   0 0 0
Home Depot COM 437076102 10,315 24,854 SH   SOLE   0 0 0
Honeywell Int'l COM 438516106 5,974 28,650 SH   SOLE   0 0 0
Humana Inc Com COM 444859102 289 623 SH   SOLE   0 0 0
Idexx Labs COM 45168D104 1,238 1,880 SH   SOLE   0 0 0
Illinois Tool Works Inc COM 452308109 212 857 SH   SOLE   0 0 0
Illumina Inc COM 452327109 639 1,680 SH   SOLE   0 0 0
Immunogen Inc COM 45253H101 644 86,800 SH   SOLE   0 0 0
Intel COM 458140100 9,483 184,145 SH   SOLE   0 0 0
Intuit Inc COM 461202103 43,266 67,264 SH   SOLE   0 0 0
J.P. Morgan Chase COM 46625H100 16,306 102,975 SH   SOLE   0 0 0
Johnson & Johnson COM 478160104 8,789 51,374 SH   SOLE   0 0 0
Kimberly Clark COM 494368103 545 3,815 SH   SOLE   0 0 0
Kinder Morgan Inc. COM 49456B101 1,660 104,653 SH   SOLE   0 0 0
L3 Harris Technologies Inc COM 502431109 6,153 28,854 SH   SOLE   0 0 0
Liberty Media Corp Del Com A S COM 531229409 380 7,475 SH   SOLE   0 0 0
Lilly (eli) COM 532457108 659 2,385 SH   SOLE   0 0 0
Lockheed Martin COM 539830109 3,921 11,034 SH   SOLE   0 0 0
Lowes COM 548661107 471 1,823 SH   SOLE   0 0 0
Markel Corp Holding Co COM 570535104 427 346 SH   SOLE   0 0 0
Marriott Intl New A COM 571903202 1,997 12,088 SH   SOLE   0 0 0
Mastercard Inc COM 57636Q104 12,480 34,733 SH   SOLE   0 0 0
McDonalds COM 580135101 5,299 19,766 SH   SOLE   0 0 0
Medtronic PLC F COM G5960L103 809 7,824 SH   SOLE   0 0 0
Merck COM 58933Y105 1,352 17,643 SH   SOLE   0 0 0
Microsoft COM 594918104 57,692 171,539 SH   SOLE   0 0 0
Moody's Corp COM 615369105 371 949 SH   SOLE   0 0 0
Morgan Stanley COM 617446448 5,791 58,992 SH   SOLE   0 0 0
Netflix Inc COM 64110L106 316 525 SH   SOLE   0 0 0
New York Cmnty Bank COM 649445103 134 10,935 SH   SOLE   0 0 0
Newmont Mining COM 651639106 862 13,895 SH   SOLE   0 0 0
Nike Inc Class B COM 654106103 931 5,583 SH   SOLE   0 0 0
Norfolk Southern COM 655844108 6,562 22,041 SH   SOLE   0 0 0
Otis Worldwide COM 68902V107 202 2,315 SH   SOLE   0 0 0
PayPal COM 70450Y103 434 2,302 SH   SOLE   0 0 0
Paychex COM 704326107 14,002 102,580 SH   SOLE   0 0 0
Pepsico Inc. COM 713448108 3,266 18,802 SH   SOLE   0 0 0
Pfizer COM 717081103 1,837 31,115 SH   SOLE   0 0 0
Philip Morris Int'l COM 718172109 306 3,218 SH   SOLE   0 0 0
Phillips 66 COM 718546104 1,553 21,431 SH   SOLE   0 0 0
Procter & Gamble COM 742718109 8,142 49,775 SH   SOLE   0 0 0
Qualcomm COM 747525103 27,483 150,287 SH   SOLE   0 0 0
Raytheon Technologies COM 75513E101 5,023 58,364 SH   SOLE   0 0 0
Salesforce.com Inc COM 79466L302 804 3,164 SH   SOLE   0 0 0
Scotts Miracle Grow COM 810186106 212 1,315 SH   SOLE   0 0 0
Sherwin Williams COM 824348106 12,206 34,660 SH   SOLE   0 0 0
Starbucks Coffee COM 855244109 559 4,775 SH   SOLE   0 0 0
Stryker COM 863667101 1,370 5,122 SH   SOLE   0 0 0
Sysco COM 871829107 3,132 39,872 SH   SOLE   0 0 0
TC Energy Corporation COM 87807B107 4,895 105,180 SH   SOLE   0 0 0
Texas Instruments COM 882508104 8,651 45,903 SH   SOLE   0 0 0
Thermo Fisher Scientific COM 883556102 21,497 32,217 SH   SOLE   0 0 0
TriNet Group Inc COM 896288107 1,997 20,965 SH   SOLE   0 0 0
Union Pacific COM 907818108 27,489 109,114 SH   SOLE   0 0 0
United Healthcare COM 91324P102 764 1,521 SH   SOLE   0 0 0
United Parcel Service COM 911312106 7,374 34,404 SH   SOLE   0 0 0
Verizon Comm. COM 92343V104 1,535 29,548 SH   SOLE   0 0 0
Vertex Pharmaceuticals COM 92532F100 349 1,589 SH   SOLE   0 0 0
Visa COM 92826C839 25,487 117,609 SH   SOLE   0 0 0
Walgreens Boots Alliance COM 931427108 310 5,942 SH   SOLE   0 0 0
Wells Fargo & Co. COM 949746101 5,482 114,248 SH   SOLE   0 0 0
World Moto Inc COM 98158H106 0 20,000 SH   SOLE   0 0 0