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Timothy G. Crater
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Winston-Salem, NC, US
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last 30 patents
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Patent Grant
Non-rising stem valve assembly and method of replacing a permanent...
Patent number
4,860,784
Issue date
Aug 29, 1989
Engineered Controls International, Inc.
James A. Petersen
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...