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Shi James Li
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Granger, IN, US
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last 30 patents
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Patent Grant
Frost free valve assembly
Patent number
7,140,390
Issue date
Nov 28, 2006
B&K Industries, Inc.
Peter Berkman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Frost free valve assembly
Publication number
20050126645
Publication date
Jun 16, 2005
Peter Berkman
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...