Edward Mattan

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St. Charles, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Sealed lead-acid cells and batteries having internal and external r...
- Patent number 5,876,873
- Issue date Mar 2, 1999
- GNB Technologies, Inc.
- Edward M. Mattan
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sealed lead-acid cells and batteries having an expandable cover
- Patent number 5,660,946
- Issue date Aug 26, 1997
- GNB Technologies, Inc.
- William H. Kump
- H01 - BASIC ELECTRIC ELEMENTS