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LANE-WELLS CO. v. M. O. JOHNSTON OIL FIELD SERV. CORP.

No. 11965.

181 F.2d 707 (1950)

LANE-WELLS CO. v. M. O. JOHNSTON OIL FIELD SERVICE CORPORATION. M. O. JOHNSTON OIL FIELD SERVICE CORPORATION v. LANE-WELLS CO.

United States Court of Appeals Ninth Circuit.

April 24, 1950.

Attorney(s) appearing for the Case

Harris, Kiech, Foster & Harris, Ward D. Foster, Los Angeles, Cal., for Lane-Wells Co.

Hill, Morgan & Farrer, Wm. M. Farrer, Los Angeles, Cal., Mellin & Hanscom, Oscar A. Mellin, San Francisco, Cal., for M. O. Johnston Oil Field Service.

Before HEALY and BONE, Circuit Judges, and DRIVER, District Judge.

DRIVER, District Judge.

This action was brought by M. O. Johnston Oil Field Service Corporation, herein after referred to as plaintiff, for a declaratory judgment that a patent, No. 2,029,491, granted to W. G. Lane February 4, 1936 on an application filed December 20, 1932, was invalid. Lane-Wells Company, a corporation, the owner of the patent, herein called defendant, by its counterclaim charged the plaintiff with infringement. The district court held the patent...

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