Conrad D. Lafrance

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Aylmer, CA

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Patents Grantslast 30 patents

Information Patent Grant
Modular microphone assembly
- Patent number 4,937,877
- Issue date Jun 26, 1990
- Northern Telecom Limited
- Mark W. Pocock
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone handset with integrated flux coil
- Patent number 4,697,283
- Issue date Sep 29, 1987
- Northern Telecom Limited
- Conrad D. Lafrance
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Directional microphone assembly
- Patent number 4,528,426
- Issue date Jul 9, 1985
- Northern Telecom Limited
- Peter Fatovic
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone for a physically handicapped person
- Patent number 4,453,043
- Issue date Jun 5, 1984
- Northern Telecom Limited
- Lech S. Zielinski
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone apparatus for use in a conference room
- Patent number 4,078,155
- Issue date Mar 7, 1978
- Northern Telecom Limited
- Radamis Botros
- H04 - ELECTRIC COMMUNICATION TECHNIQUE