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PPG INDUSTRIES, INC. v. GUARDIAN INDUSTRIES CORP.

No. C 72-71.

428 F.Supp. 789 (1977)

PPG INDUSTRIES, INC., Plaintiff, v. GUARDIAN INDUSTRIES CORPORATION, Defendant.

United States District Court, N. D. Ohio, W. D.

January 26, 1977.

Attorney(s) appearing for the Case

Robert B. Gosline, Toledo, Ohio, William H. Webb, Pittsburgh, Pa., for plaintiff.

James R. Jeffery, Toledo, Ohio, Bernard J. Cantor, Cullen, Settle, Sloman & Cantor, Detroit, Mich., for defendant.

OPINION AND ORDER

WALINSKI, District Judge.

PPG Industries, Inc. [hereafter PPG] brought this action charging Guardian Industries Corporation [hereafter Guardian] with infringement upon eleven of its patents. Two of the patents, Nos. 3,223,501 and 3,293,015, originated as the result of development work carried out at PPG. The remaining nine patents, Nos. 3,281,229, 3,282,447, 3,291,590, 3,332,759, 3,332,760, 3,332,762, 3,338,697, 3,399,042, and 3,402,036...

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