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Conrad Lewis
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Nepean, CA
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last 30 patents
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Patent Grant
Switching system loopback test circuit
Patent number
4,685,102
Issue date
Aug 4, 1987
Mitel Corporation
Conrad Lewis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Peripheral control for a digital telephone system
Patent number
4,616,360
Issue date
Oct 7, 1986
Mitel Corporation
Conrad Lewis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Switching system with separate supervisory links
Patent number
4,615,028
Issue date
Sep 30, 1986
Mitel Corporation
Conrad Lewis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time division switching matrix
Patent number
4,510,597
Issue date
Apr 9, 1985
Mitel Corporation
Conrad Lewis
H04 - ELECTRIC COMMUNICATION TECHNIQUE