Legal Opinion
Radio Corp. v. Collins Radio Co.
District Court, D. Delaware
Decided March 4, 1936No. 1117PublishedCited by 3 opinions
1Opinion of the Court
NIELDS, District Judge.
This is a motion for a preliminary injunction in a patent infringement suit against Collins Radio Company. In their bill of complaint plaintiffs charge defendant with infringement of two patents by manufacturing and selling radio transmitters and receivers. The two patents were granted to Lee De Forest on September 2, 1924, and are held by plaintiffs as his assignees. Grounds of opposition to the motion are invalidity, estoppel, and laches.
The De -Forest patents relate to a vacuum tube and its associated circuits so arranged as to feed back a portion of the energy in…
2Cases cited7 opinions
- Radio Corp. of America v. Radio Engineering Laboratories, Inc.Supreme Court of the United States · 1934
- Skelly Oil Co. v. Universal Oil Products Co.Court of Appeals for the Third Circuit · 1929
- Westinghouse Electric & Mfg. Co. v. De Forest Radio Telephone & Telegraph Co.Court of Appeals for the Third Circuit · 1927
- Gotham Silk Hosiery Co. v. Artcraft Silk Hosiery Mills, Inc.District Court, D. Delaware · 1932
- Adams v. Tannage Patent Co.Court of Appeals for the Third Circuit · 1897
2 more not listed; retrieve them via the Exa API.
3Cited by3 opinions
- Allen v. Radio Corporation of AmericaDistrict Court, D. Delaware · 1942
- Hartford National Bank & Trust Co. v. E. F. Drew & Co.District Court, D. Delaware · 1955
- Radio Corp. of America v. Collins Radio Co.District Court, D. Delaware · 1937