IP Library Granted Patent US 6,679,396
Granted Patent Utility PCT National Stage
US 6,679,396 · Confirmation No. 8322

REDUNDANT SEAL FOR TANK FILLER NECK CLOSURE

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Quick Facts
Patent No.
US 6,679,396
App. No.
09/980,612
Filed
2001-11-02
Granted
2004-01-20
Art Unit
3727
PTA
0 days