Marc G. Pelletier

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Geometric modeling kit and method of making same
- Patent number RE33785
- Issue date Dec 31, 1991
- Paul R. Hildebrandt
- 434 - Education and demonstration
Information Patent Grant
Geometric modeling kit and method of making same
- Patent number 4,701,131
- Issue date Oct 20, 1987
- Paul R. Hildebrandt
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS