Paul P. Craig

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Martinez, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Battery having reserve cell and three or more terminals
- Patent number 5,183,712
- Issue date Feb 2, 1993
- Beldock; Donald T.
- Donald T. Beldock
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sealed battery with integral reserve cell and switch
- Patent number 5,169,732
- Issue date Dec 8, 1992
- Beldock; Donald T.
- Donald T. Beldock
- H01 - BASIC ELECTRIC ELEMENTS