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Christopher E. Cunningham

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GATE VALVE WITH FLOW-THROUGH GATE

10/687,313 | U.S. Patent Application

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Location ELECTRONIC

Filed Oct. 15, 2003

Examiner ERIC S KEASEL

Class 251

Art Group 3754

Patent No. 6,840,494

Case Type Utility - 251/062000

Status Patented Case

Parent 09/815,394 Patented

Parent 60/192,124 Expired

Last Updated: 4 years, 9 months ago

Date	#	Transaction
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GATE VALVE WITH FLOW-THROUGH GATE

10/687,313 | U.S. Patent Application

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