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NAT. RESEARCH DEVEL. CORP. v. GREAT LAKES CARBON CORP.

Civ. A. No. 4347.

410 F.Supp. 1108 (1975)

NATIONAL RESEARCH DEVELOPMENT CORPORATION, Plaintiff, v. GREAT LAKES CARBON CORPORATION, and Great Lakes Research Corporation, Defendants.

United States District Court, D. Delaware.

December 23, 1975.

Attorney(s) appearing for the Case

Vincent A. Theisen and John G. Mulford of Theisen, Lank & Mulford, Wilmington, Del., for plaintiff; David E. Varner of Cushman, Darby & Cushman, Washington, D. C., of counsel.

Arthur G. Connolly, Sr., and Paul E. Crawford of Connolly, Bove & Lodge, Wilmington, Del., for defendants; Carl F. Peters, Elizabethon, Tenn., of counsel.

OPINION

MURRAY M. SCHWARTZ, District Judge.

This is an action for infringement of claims 1, 2, and 91 of United States Letter Patent No. 3,412,062. The patent (hereinafter referred to as the '062 patent) was issued November 19, 1968, pursuant to an application filed April 19, 1965 by William Johnson, Leslie Nathan Phillips, and William Watt.2 National Research and Development Corporation ("NRDC")...

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