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METHOD OF MAKING BIPOLAR PLATE

16/236,533 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 30, 2018
Examiner LINGWEN R ZENG
Class 429
Art Group 1723
Case Type Utility - 429/210000
Status Docketed New Case - Ready for Examination
Parent 14/822,315 Pending
Parent 62/155,925 Expired
Last Update: 1 month ago.
Date # Transaction