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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