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Bluegrass Electronics Inc.
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La Grange, KY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Dual pressure change intrusion detector
Patent number
5,185,593
Issue date
Feb 9, 1993
Bluegrass Electronics, Inc.
Elden E. DuRand
G08 - SIGNALLING
Information
Patent Grant
Pressure change intrusion detector
Patent number
4,928,085
Issue date
May 22, 1990
Bluegrass Electronics, Inc.
Elden E. DuRand
G08 - SIGNALLING
Information
Patent Grant
Audio signal generator
Patent number
4,719,452
Issue date
Jan 12, 1988
Bluegrass Electronic
William K. Logsdon
G08 - SIGNALLING
Information
Patent Grant
Sound discriminator tester
Patent number
4,552,022
Issue date
Nov 12, 1985
Bluegrass Electronics Inc.
Elden E. DuRand
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73363580 - AUDIOSWITCH
Serial number
73363580
Filing date
May 10, 1982
BLUEGRASS ELECTRONICS, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments