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Valve Seat And Valve With Hardened Inserts

62/581,237 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 3, 2017
Case Type Provisional
Status Provisional Application Expired
Child 16/111,754 Patented
Child 16/216,709 Abandoned
Child 17/109,966 Pending
Last Updated: 4 years, 2 months ago
Date # Transaction