IP Library Granted Patent US 5,301,574
Granted Patent Utility
US 5,301,574 · App. 08/025,131

Hydraulic wrench

Inventors: Brian Knopp, Harry J. Knopp, Paul B. Stork
Patented Case View Patent ↗
Granted: Apr 12, 1994 Filed: Mar 2, 1993
Inventors
Brian Knopp
Harry J. Knopp
Paul B. Stork
Assignee (at issue)
Bolttech, Inc.

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Quick Facts
Patent No.
US 5,301,574
App. No.
08/025,131
Filed
1993-03-02
Granted
1994-04-12
Kind
A