CONWAY ENGINEERING, INC

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OAKLAND, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Microprocessor controlled system for testing and selectively recond...
- Patent number 5,259,800
- Issue date Nov 9, 1993
- Conway Engineering, Inc.
- Gary C. Fields
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Coin telephone message and management system
- Patent number 5,007,077
- Issue date Apr 9, 1991
- Conway Engineering, Inc.
- Gary C. Fields
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone toll integrity checking system
- Patent number 4,839,916
- Issue date Jun 13, 1989
- Conway Engineering, Inc.
- Gary C. Fields
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

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Trademarklast 30 trademarks

Information Trademark
73658946 - CONWAY ENGINEERING
- Serial number 73658946
- Registration number 1480594
- Filing date Apr 30, 1987
- CONWAY ENGINEERING, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
73428098 - CONWAY ENGINEERING
- Serial number 73428098
- Filing date May 31, 1983
- CONWAY ENGINEERING, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments