GRINDLE v. WELCH

Civ. A. No. 34531.

146 F.Supp. 44 (1956)

Eugene L. GRINDLE, Plaintiff, v. C. Martin WELCH, doing business as C. Martin Welch & Company, Defendant.

United States District Court N. D. California, S. D.

October 29, 1956.


Attorney(s) appearing for the Case

Flehr & Swain, San Francisco, Cal., for plaintiff.

Naylor & Neal, San Francisco, Cal., for defendant.


EDWARD P. MURPHY, District Judge.

This is a suit for the declaration of invalidity of a patent, No. 2,534,644, and for certain relief incident to the invalidation of that patent, including damages and the assignment of the patent to the claimed true inventor. Jurisdiction arises under 28 U.S.C. § 2201.

The patent in question concerns a measuring device to determine the quantity of gasoline in the wing tanks of airplanes, known as a "dipstick." The dipstick...

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