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HUGHES TOOL CO. v. ROBERTSON ROCK BIT CO.

Civ. No. 426.

80 F.Supp. 809 (1948)

HUGHES TOOL CO. v. ROBERTSON ROCK BIT CO., Inc. et al.

United States District Court N. D. Texas, Wichita Falls Division.

November 19, 1948.

Attorney(s) appearing for the Case

George I. Haight, and Edward A. Haight, both of Chicago, Ill., Robert F. Campbell, of Houston, Tex., and John Humphrey, of Wichita Falls, Tex., for plaintiff.

Darby & Darby, Floyd H. Crews, and Harvey W. Mortimer, all of New York City, and Arch Dawson, of Wichita Falls, Tex., for defendants.

ATWELL, Chief Judge.

The plaintiff claims ownership of certain rotary drilling patents, which it leases to residents of the United States and which it sells in foreign countries. The tool made under these patents has a legend stamped on it showing lease and identifying number.

It alleges that the defendants are infringing and it seeks injunction and damages.

The defendants, who are corporate and individual, answer, attacking plaintiff's title, alleging...

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