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Howard D. Krumboltz
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Chalfont, PA, US
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last 30 patents
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Patent Grant
Optical fiber strain-to-failure sensor
Patent number
5,639,968
Issue date
Jun 17, 1997
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber strain sensor for measuring maximum strain
Patent number
5,461,927
Issue date
Oct 31, 1995
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G02 - OPTICS
Information
Patent Grant
Single-ended optical fiber strain sensor for measuring maximum strain
Patent number
5,461,926
Issue date
Oct 31, 1995
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G01 - MEASURING TESTING
Information
Patent Grant
Thermal phase modulator and method of modulation of light beams by...
Patent number
5,166,988
Issue date
Nov 24, 1992
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G02 - OPTICS
Information
Patent Grant
Tapered optical fiber sensor
Patent number
5,093,569
Issue date
Mar 3, 1992
The United States of America as represented by the Secretary of the Navy
Howard D. Krumboltz
G02 - OPTICS
Information
Patent Grant
Optical fiber refractometer launching light at a non-zero launch angle
Patent number
4,988,863
Issue date
Jan 29, 1991
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G01 - MEASURING TESTING
Information
Patent Grant
Optical fiber refractometer
Patent number
4,981,338
Issue date
Jan 1, 1991
The United States of America as represented by the Secretary of the Navy
Lloyd C. Bobb
G01 - MEASURING TESTING