ENDRESS + HAUSER v. HAWK MEASUREMENT SYSTEMS PTY.

No. 96-1245.

122 F.3d 1040 (1997)

ENDRESS + HAUSER, INC., and Endress + Hauser GMBH & Co., Plaintiffs-Appellees, v. HAWK MEASUREMENT SYSTEMS PTY. LIMITED, and Hawk American, Inc., Defendants-Appellants.

United States Court of Appeals, Federal Circuit.

August 21, 1997.


Attorney(s) appearing for the Case

Donald E. Knebel, Barnes & Thornburg, Indianapolis, IN, argued, for Plaintiffs-Appellees. With him on the brief was Dwight D. Lueck.

Thomas G. Watkins, III, Cahill, Sutton & Thomas P.L.C., Phoenix, AZ, argued, for Defendants-Appellants.

Before RICH, PLAGER and CLEVENGER, Circuit Judges.


PLAGER, Circuit Judge.

This is an appeal from a district court judgment that Hawk Measurement Systems Pty. Limited (individually "Hawk Australia") and Hawk America, Inc., (collectively "defendants" or "Hawk") infringed U.S. Patent No. 4,000,650 ("the '650 patent"). The patent, now expired, was the property of Endress + Hauser GmbH & Co. ("E + H Germany"). Endress + Hauser, Inc. ("E + H U.S."), the exclusive distributor...

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