David Ward

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Roslyn Heights, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
T-type undercut electrical contact on a semiconductor substrate
- Patent number 4,935,805
- Issue date Jun 19, 1990
- Eaton Corporation
- Joseph A. Calviello
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
T-type undercut electrical contact process on a semiconductor subst...
- Patent number 4,923,827
- Issue date May 8, 1990
- Eaton Corporation
- Joseph A. Calviello
- H01 - BASIC ELECTRIC ELEMENTS