Steven R. Ungemach

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Pleasanton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic brush/stationary electrode development system
- Patent number 4,600,290
- Issue date Jul 15, 1986
- Ricoh Co., Ltd.
- Steven R. Ungemach
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY