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Frank A. Stearns
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Houston, TX, US
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last 30 patents
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Patent Grant
Multiple port diaphragm valve
Patent number
6,202,698
Issue date
Mar 20, 2001
Valco Instruments Company, Inc.
Frank A. Stearns
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Pressure operated valve actuator
Patent number
4,196,654
Issue date
Apr 8, 1980
Frank A. Stearns
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES