IP Library › Patent Application 11920003
Patent Application Utility PCT National Stage
App. No. 11/920,003 · Confirmation No. 9491

FUEL CELL HAVING IMPROVED CONTACT BETWEEN SEPARATORS AND GAS DIFFUSION LAYERS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
11/920,003
Filed
2008-10-01
Effective Filing
2007-11-07
Granted
2013-03-26
Pub. No.
US20090053573A1
Art Unit
1727
PTA
0 days