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Keith F. Urban
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Elk Grove Village, IL, US
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last 30 patents
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Patent Grant
Loudspeaker
Patent number
D270444
Issue date
Sep 6, 1983
International Jensen Incorporated
Hari Matsuda
D14 - Recording, communication, or information retrieval equipment
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Patent Grant
Electronic graphic equalizer or the like
Patent number
D265199
Issue date
Jun 29, 1982
International Jensen Incorporated
Keith F. Urban
D14 - Recording, communication, or information retrieval equipment