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INSTRUMENT RESEARCH CORPORATION
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ROCKVILLE, MD, US
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Patents Grants
last 30 patents
Information
Patent Grant
Light source for fiber optic medical instruments and the like
Patent number
D327952
Issue date
Jul 14, 1992
Instrument Research Corporation
Frans G. Van Der Bel
D26 - Lighting
Information
Patent Grant
Light source
Patent number
4,975,810
Issue date
Dec 4, 1990
Instrument Research Corporation
Frans G. Vanderbel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Trademark
last 30 trademarks
Information
Trademark
73141458 - TOKERATOR
Serial number
73141458
Registration number
1108873
Filing date
Sep 16, 1977
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco
Information
Trademark
73100027 - TOKERATOR
Serial number
73100027
Registration number
1087812
Filing date
Sep 16, 1976
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco
Information
Trademark
73050894 - STEAMROLLER
Serial number
73050894
Registration number
1046493
Filing date
Apr 29, 1975
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco
Information
Trademark
73038676 - MINI-TOKER
Serial number
73038676
Registration number
1025359
Filing date
Dec 4, 1974
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco
Information
Trademark
73023647 - TOKERATOR
Serial number
73023647
Registration number
1011677
Filing date
Jun 7, 1974
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco
Information
Trademark
72423899 - TOKER
Serial number
72423899
Registration number
980785
Filing date
May 10, 1972
INSTRUMENT RESEARCH CORPORATION
34 - Tobacco