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OKI ELECTRONICS OF AMERICA, INC.
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FORT LAUDERDALE, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic key telephone system with bi-directional serial data str...
Patent number
4,292,474
Issue date
Sep 29, 1981
OKI Electronics of America, Inc.
Wilfred L. Morrell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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last 30 trademarks
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Trademark
73346295 - SPECTRUM
Serial number
73346295
OKI ELECTRONICS OF AMERICA, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments