Motion Picture Patents Co. v. Calehuff Supply Co.
District Court, E.D. Pennsylvania
In Equity. Suit by the Motion Picture Patents Company against the Calehuff Supply Company, Incorporated. On final-hearing. Decree for defendant.
1Opinion of the Court
DICKINSON, District Judge.
This controversy concerns letters patent No. 707,934, issued 1o Woodville Latham. This is at least the third attempt to have the validity of this patent determined. It is -one generally known as the Latham loop patent. The controversy went off in the Independent Case, 200 Fed. 411, 118 C. C. A. 563, on the question of whether the patent concerned cameras or projecting machines, and in the Motion Picture Patents Co. v. Universal Co. Case on a question of license. There is no escape from meeting, in the present case, the question of validity. The fact of infringement…
2Cases cited1 opinion
- Motion Picture Patents Co. v. Independent Moving Pictures Co. of AmericaCourt of Appeals for the Second Circuit · 1912
3Cited by2 opinions
- Heller Bros. v. Crucible Steel Co. of AmericaCourt of Appeals for the Third Circuit · 1924
- Motion Picture Patents Co. v. Calehuff Supply Co.Court of Appeals for the Third Circuit · 1918