IP Library › Granted Patent US 6,725,861
Granted Patent Utility PCT National Stage
US 6,725,861 · Confirmation No. 5248

VALVE FOR UNDERWATER AQUALUNGS SUPPLYING DEVICES

Inventor: Roberto Semeia
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2004-02-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-04 LET. Miscellaneous Incoming Letter 15 View
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Quick Facts
Patent No.
US 6,725,861
App. No.
10/048,611
Filed
2002-02-04
Granted
2004-04-27
Art Unit
3761
PTA
0 days