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UNITED STATES GYPSUM CO. v. ROCK WOOL INSULATING CO.

Civ. No. 6192.

212 F.Supp. 1 (1962)

UNITED STATES GYPSUM COMPANY, a corporation, Plaintiff, v. ROCK WOOL INSULATING COMPANY, a corporation, et al., Defendants. Joseph M. Brennan, Intervenor.

United States District Court D. Colorado.

December 14, 1962.

Attorney(s) appearing for the Case

Arthur A. Olson, Arthur B. Seibold, Jr., and Ralph E. Church, Jr., of Olson, Mecklenburger, von Holst, Pendleton & Neuman, Chicago, Ill., William Griffith Edwards, of McGrew & Edwards, Denver, Colo., for plaintiff.

Horace B. Van Valkenburgh and Gary D. Fields, Denver, Colo., for defendants, except intervenor.

Joseph M. Brennan, Denver, Colo., intervenor, pro se.

KERR, District Judge (assigned).

This is a patent infringement case brought pursuant to 35 U.S.C. § 281, and 28 U.S.C. § 1338(a). The patents in suit involve the methods and apparatus to produce mineral wool. Defendants deny infringement and assert the invalidity of plaintiff's patents.

Plaintiff, United States Gypsum Company, as assignee and owner of the patents No. 2,587,710 and No. 2,646,593 issued to Richard M. Downey brought this action for...

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