Glen E. Howard

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Pleasanton, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Guard ring for a differentially pumped seal apparatus
- Patent number 4,837,443
- Issue date Jun 6, 1989
- The Perkin-Elmer Corporation
- Lydia J. Young
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Specimen distance measuring system
- Patent number 4,788,431
- Issue date Nov 29, 1988
- The Perkin-Elmer Corporation
- William A. Eckes
- H01 - BASIC ELECTRIC ELEMENTS