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James Luther
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Minneapolis, MN, US
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last 30 patents
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Patent Grant
Microphone
Patent number
D379185
Issue date
May 13, 1997
Telex Communications, Inc.
James Luther
D14 - Recording, communication, or information retrieval equipment
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Patent Grant
Microphone
Patent number
D365564
Issue date
Dec 26, 1995
Telex Communications, Inc.
James Luther
D14 - Recording, communication, or information retrieval equipment