G.D.I. Electronics, Inc.

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic intrusion alarm system
- Patent number 4,263,665
- Issue date Apr 21, 1981
- G.D.I. Electronics
- Gary P. Watts
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73192117 - CHECKMATE
- Serial number 73192117
- Registration number 1267728
- Filing date Nov 6, 1978
- G.D.I. Electronics, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments