IP Library › Granted Patent US 6,613,261
Granted Patent Utility
US 6,613,261 · App. 09/945,991

Molded pipeline pig with hardness variations

Inventor: Kenneth M. Knapp
Patented Case View Patent ↗
Granted: Sep 2, 2003 Filed: Sep 4, 2001
Inventor
Kenneth M. Knapp

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Quick Facts
Patent No.
US 6,613,261
App. No.
09/945,991
Filed
2001-09-04
Granted
2003-09-02
Kind
B2