Michael S. Rivkin

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San Leandro, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Resilient rotary seal with projecting edge
- Patent number 5,356,158
- Issue date Oct 18, 1994
- Rotoflex, Inc.
- Brian Simmons
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...