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DSL DYNAMIC SCIENCES LTD. v. UNION SWITCH & SIGNAL, INC.

No. 90-1395.

928 F.2d 1122 (1991)

DSL DYNAMIC SCIENCES LIMITED, Plaintiff-Appellant, v. UNION SWITCH & SIGNAL, INC., Defendant-Appellee,

United States Court of Appeals, Federal Circuit.

March 19, 1991.

Attorney(s) appearing for the Case

Bruce E. O'Connor, Christensen, O'Connor, Johnson & Kindness, Seattle, Wash., argued for plaintiff-appellant. With him on the brief was Michael W. Bocianowski.

William B. Mallin, Eckert Seamans Cherin & Mellott, Pittsburgh, Pa., argued for defendant-appellee. With him on the brief were Arnold B. Silverman and David V. Radack.

Before RICH, PLAGER, and CLEVENGER, Circuit Judges.

RICH, Circuit Judge.

DSL Dynamic Sciences Ltd. (DSL) appeals from the March 28, 1990 decision of the United States District Court for the Western District of Pennsylvania in a patent interference proceeding under 35 U.S.C. § 146, awarding priority of invention to Union Switch & Signal, Inc. (Union Switch). We affirm.

BACKGROUND

The present case relates to "coupler mount assemblies," which are essentially clamps, used to attach various equipment...

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