Edward R. O'Brien III

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Wayne, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Solid state overcurrent protection system for circuit breakers
- Patent number 5,204,797
- Issue date Apr 20, 1993
- SPD Technologies, Inc.
- Edward R. O'Brien
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Solid state overcurrent protection system for circuit breakers
- Patent number 4,922,372
- Issue date May 1, 1990
- SPD Technologies Inc.
- Edward R. O'Brien
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Apparatus for measuring the thickness of corneas
- Patent number 4,598,714
- Issue date Jul 8, 1986
- Accutome, Inc.
- Frederic B. Kremer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Apparatus to measure conical thickness
- Patent number 4,546,773
- Issue date Oct 15, 1985
- Accutome, Inc.
- Frederic B. Kremer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE