Guy C. Quesnel

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Nepean, CA

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Patents Grantslast 30 patents

Information Patent Grant
Digital composite tone alerting
- Patent number 4,972,466
- Issue date Nov 20, 1990
- Northern Telecom Limited
- Guy Quesnel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable gain encoder apparatus and method
- Patent number 4,875,045
- Issue date Oct 17, 1989
- Northern Telecom Limited
- David L. Lynch
- H03 - BASIC ELECTRONIC CIRCUITRY