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Vincent M. Sabalvaro III
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Rolling Meadows, IL, US
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last 30 patents
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Patent Grant
Atmospheric compensating automatic air release valve
Patent number
5,090,439
Issue date
Feb 25, 1992
APCO Valve and Primer Corporation
Vincent M. Sabalvaro
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...