Summa-Nova Corporation

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Automatic audio mixing selector device
- Patent number 4,306,114
- Issue date Dec 15, 1981
- Summa-Nova Corporation
- Jeffery C. Callahan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73325013 - POLARI
- Serial number 73325013
- Registration number 1229394
- Filing date Aug 24, 1981
- Summa-Nova Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments