IP Library Granted Patent US 4,581,521
Granted Patent Utility
US 4,581,521 · App. 06/674,694

Electrically heated pipe assembly

Inventor: Frederick G. J. Grise
Patented Case View Patent ↗
Granted: Apr 8, 1986 Filed: Nov 26, 1984
Inventor
Frederick G. J. Grise

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Quick Facts
Patent No.
US 4,581,521
App. No.
06/674,694
Filed
1984-11-26
Granted
1986-04-08
Kind
A