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HALLIBURTON v. HONOLULU OIL CORPORATION

No. 8653.

98 F.2d 436 (1938)

HALLIBURTON et al. v. HONOLULU OIL CORPORATION, Limited, et al.

Circuit Court of Appeals, Ninth Circuit.

July 11, 1938.

Attorney(s) appearing for the Case

Leonard S. Lyon, Henry S. Richmond, and Richard F. Lyon, all of Los Angeles, Cal. (Ben F. Saye, of Duncan, Okl., of counsel), for appellants.

A. W. Boyken, of San Francisco, Cal., and Vincent Morgan and Kenneth K. Wright, both of Los Angeles, Cal., for appellees.

Before WILBUR, HANEY, and STEPHENS, Circuit Judges.

WILBUR, Circuit Judge.

This is an appeal from a final decree of the District Court holding patent No. 1,930,987 "and particularly claims 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19 invalid for want of invention", and not infringed by appellees.

The patent in suit was issued to John T. Simmons on October 17, 1933 on an application filed February 10, 1926 and is for a method and apparatus for testing the productivity of formations encountered in drilling...

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