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POTTER INSTRUMENT CO., INC. v. STORAGE TECHNOLOGY CORP.

No. 80-1428.

641 F.2d 190 (1981)

POTTER INSTRUMENT COMPANY, INC., Appellant, v. STORAGE TECHNOLOGY CORPORATION; Telex Computer Products, Inc.; Sperry Corporation; Control Data Corporation, Appellees.

United States Court of Appeals, Fourth Circuit.

Decided February 23, 1981.

Attorney(s) appearing for the Case

David R. Murphy, Arlington, Va., for appellant.

Richard E. Kurtz, Philadelphia, Pa. (Woodcock, Washburn, Kurtz, Mackiewicz & Norris, Philadelphia, Pa., on brief) and Allen Kirkpatrick, Washington, D. C. (Cushman, Darby & Cushman, Washington, D. C., Alan E. J. Branigan, Griffin, Branigan & Butler, Harrison McCandlish, LeBlanc, Nolan, Shur & Nies, Arlington, Va., on brief), for appellees.

Before HAYNSWORTH, Chief Judge, FIELD, Senior Circuit Judge, and PHILLIPS, Circuit Judge.

HAYNSWORTH, Chief Judge:

Potter Instrument Co., Inc. filed in the district court separate suits against Storage Technology Corp., Control Data Corp., Sperry Corp., and Telex Computer Products, Inc., alleging infringement of two patents. Potter requested monetary, but not injunctive relief. The actions were consolidated for trial and the district court granted defendants' motions to dismiss on the grounds of equitable estoppel and laches.

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