IP Library › Granted Patent US 6,817,631
Granted Patent Utility
US 6,817,631 · App. 10/677,711

Septic system box pipe seal

Inventor: Norman W. Gavin
Patented Case View Patent ↗
Granted: Nov 16, 2004 Filed: Oct 2, 2003
Inventor
Norman W. Gavin

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Quick Facts
Patent No.
US 6,817,631
App. No.
10/677,711
Filed
2003-10-02
Granted
2004-11-16
Kind
B1