Geoffrey A. Collar

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Telephone hook switch with elastomeric contact member
- Patent number 4,709,389
- Issue date Nov 24, 1987
- Northern Telecom Limited
- Anthony J. Langenberg
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Circuit board with contact positions, as used for telecommunication...
- Patent number 4,647,729
- Issue date Mar 3, 1987
- Northern Telecom Limited
- Geoffrey A. Collar
- H04 - ELECTRIC COMMUNICATION TECHNIQUE