IP Library › Granted Patent US 6,764,261
Granted Patent Utility
US 6,764,261 · Confirmation No. 1199

LOCKING DEVICE AND METHOD FOR CATCH BASIN AND MANHOLE COVERS, AND THE LIKE

Inventor: David Stadler
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Quick Facts
Patent No.
US 6,764,261
App. No.
10/295,007
Filed
2002-11-13
Granted
2004-07-20
Art Unit
3679
PTA
-3 days