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09/623,023 | 107016:
FUEL CELL, SEPARATOR FOR FUEL CELL, AND MANUFACTURING METHOD OF SEPARATOR
Public viewApplication #
09/623,023
Confirmation #
5472
Attorney Docket #
107016
Patent #
6,855,446
Issued - 02/15/2005
Filing or 371 (c) date
10/20/2000
Status
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 03/20/2013
Documents & transaction history
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