Cecil S. Renfro

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Colorado Springs, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermally-protected display with a ventilation system
- Patent number 5,497,573
- Issue date Mar 12, 1996
- Robert C. Stadjuhar
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Scroll module and sign system for internally illuminated signs
- Patent number 4,680,883
- Issue date Jul 21, 1987
- Skyline Products, Inc.
- Robert C. Stadjuhar
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for symbol display device
- Patent number 4,496,945
- Issue date Jan 29, 1985
- Skyline Products, Inc.
- Robert C. Stadjuhar
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
Outdoor electronic sign enclosure
- Publication number 20040000390
- Publication date Jan 1, 2004
- Robert Charles Stadjuhar
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR