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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
Patent No. 10,985,379
Case Type Utility - 429/210000
Status Patented Case
Parent 14/822,315 Patented
Parent 62/155,925 Expired
Last Updated: 3 years, 1 month ago
Date # Transaction