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Bette R. Schwades
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Ingleside, IL, US
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last 30 patents
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Patent Grant
One-way flex valve
Patent number
4,222,407
Issue date
Sep 16, 1980
Baxter Travenol Laboratories, Inc.
Ricky R. Ruschke
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...