Richard J. Penneck

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Lechlade, Gloucestershire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Battery over-discharge protection
- Patent number 6,617,069
- Issue date Sep 9, 2003
- George Frederick Hopper
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Acoustic transducer
- Patent number 4,794,295
- Issue date Dec 27, 1988
- Richard J. Penneck
- G01 - MEASURING TESTING
Information Patent Grant
Tracking resistant HV insulation material containing fluorine-subst...
- Patent number 4,189,392
- Issue date Feb 19, 1980
- Richard J. Penneck
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL