Timothy A. Freeman

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Mississauga, CA

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Patents Grantslast 30 patents

Information Patent Grant
Writable disk sign
- Patent number 6,220,723
- Issue date Apr 24, 2001
- Mark IV Industries Limited
- Timothy A. Freeman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Writable disk sign
- Patent number 6,000,812
- Issue date Dec 14, 1999
- Mark IV Industries Limited
- Timothy A. Freeman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS