Ronald P. Burtch

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West Hill, CA

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Patents Grantslast 30 patents

Information Patent Grant
Erectable display device with revealable inner panel
- Patent number 6,536,145
- Issue date Mar 25, 2003
- Ronald P. Burtch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Erectable periscoping display device
- Patent number 5,479,732
- Issue date Jan 2, 1996
- Ronald P. Burtch & Associates Limited
- Ronald P. Burtch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display frame for baseball cards and the like, method of making, an...
- Patent number 5,361,521
- Issue date Nov 8, 1994
- Ronald P. Burtch & Associates Limited
- Ronald P. Burtch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Erectable display device with revealable inner panel
- Publication number 20020073583
- Publication date Jun 20, 2002
- Ronald P. Burtch
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS