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Edward R. Promin
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Newfoundland, NJ, US
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last 30 patents
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Patent Grant
Fluid-actuated rapid closure valve
Patent number
6,189,857
Issue date
Feb 20, 2001
The United States of America as represented by the United States Department o...
Leroy Zeger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...