Keystone Trading Co. v. Zapota Mfg. Co.
District Court, E.D. Pennsylvania
In Equity. Suit by the Keystone Trading Company against the Za-pota Manufacturing Company and James D. Darling. On complainant’s application for preliminary injunction and defendants’ motion to dissolve temporary restraining order.
1Opinion of the Court
THOMPSON, District Judge.
The bill sets out that the plaintiff is the owner, by assignment from the defendant James D. Darling, of the three following patents issued to him: No. 907,748, issued December 29, 1908; No. 947,635, issued January 25, 1910; and No. 1,005,001, issued October 3, 1911 — for the invention of certain new and useful improvements in the manufacture of chewing gum, and alleges infringement by the defendants of the above patents. It is further alleged in the bill that the inventions covered by patents Nos. 947,635 and 1,005,-001 are capable of conjoint use, and that the…
2Cases cited7 opinions
- Miller v. Eagle Manufacturing Co.Supreme Court of the United States · 1894
- James v. CampbellSupreme Court of the United States · 1882
- The Suffolk Company v. HaydenSupreme Court of the United States · 1866
- McCreary v. Pennsylvania Canal Co.Supreme Court of the United States · 1891
- Mosler Safe & Lock Co. v. MoslerSupreme Court of the United States · 1888
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3Cited by1 opinion
- Nicholas L. Etten and Chamberlain Corporation v. Lovell Manufacturing Company and Walter L. Kauffman, 2dCourt of Appeals for the Third Circuit · 1955