Legal Opinion
Campbell v. Mueller
Court of Appeals for the Sixth Circuit
Decided February 3, 1947No. 10237, 10238PublishedCited by 37 opinions
1Opinion of the Court
HICKS, Circuit Judge.
Suit by George R. Hunt, patentee, and Conrad B. Mueller, exclusive licensee, against Harold C. Campbell, H. D. Thomas, d. b. a. The Thomas Company, and William E. Ginovan, d. b. a. Ginovan Poultry Market, for infringement of Patent No. 2,300,157, issued to Hunt October 27, 1942, for “Feather-Picking Apparatus for Fowls. * * *”
The principal defenses were, invalidity, and non-infringement. A counterclaim by appellants Thomas and Campbell asserting an implied license to the patent, was withdrawn. Although not specially pleaded, appellants relied upon the defense of unclean…
2Cases cited14 opinions
- Morton Salt Co. v. G. S. Suppiger Co.Supreme Court of the United States · 1942
- B. B. Chemical Co. v. EllisSupreme Court of the United States · 1942
- Holland Furniture Co. v. Perkins Glue Co.Supreme Court of the United States · 1928
- Aluminum Co. of America v. Thompson Products, Inc.Court of Appeals for the Sixth Circuit · 1941
- Sylvania Industrial Corporation v. Visking CorporationCourt of Appeals for the Fourth Circuit · 1943
9 more not listed; retrieve them via the Exa API.
3Cited by37 opinions
- Hunt v. Armour & Co.Court of Appeals for the Seventh Circuit · 1951
- Baker-Cammack Hosiery Mills, Inc. v. Davis Co.Court of Appeals for the Fourth Circuit · 1950
- Jepson v. Department of Labor & IndustriesWashington Supreme Court · 1977
- Duplan Corp. v. Deering Milliken, Inc.District Court, D. South Carolina · 1977
- Westinghouse Electric Corporation v. Bulldog Electric Products CoCourt of Appeals for the Fourth Circuit · 1950
32 more not listed; retrieve them via the Exa API.