Lloyd E. Troyer

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San Carlos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Product for constructing three-dimensional sign character
- Patent number 4,097,632
- Issue date Jun 27, 1978
- Let-R-Edge of Canada, Ltd.
- Robert W. Minogue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Apparatus for constructing three-dimensional sign character
- Patent number 3,974,552
- Issue date Aug 17, 1976
- LET-R-EDGE Of Canada Ltd.
- Robert W. Minogue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Process for constructing three-dimensional sign character
- Patent number 3,937,384
- Issue date Feb 10, 1976
- Let-R-Edge of Canada, Ltd.
- Robert W. Minogue
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS