Legal Opinion
United Mfg. & Service Co. v. Holwin Corp.
Court of Appeals for the Seventh Circuit
Decided April 3, 1951No. 10258PublishedCited by 8 opinions
1Opinion of the Court
SWAIM, Circuit Judge.
The plaintiff filed action for a declaratory judgment which would adjudge that: (1) certain electric light sockets for refrigerators which plaintiff was manufacturing and selling did not infringe any claim of the letters patent owned by defendant; (2) that each of the claims of defendant’s letters patent was invalid and void; and (3) that plaintiff have a judgment for damages, attorneys’ fees and costs because of the unfair competition of defendant in charging to plaintiff’s customers that plaintiff’s socket infringed defendant’s patent. Later plaintiff amended its…
2Cases cited6 opinions
- Hartell v. TilghmanSupreme Court of the United States · 1879
- Mitchell v. HawleySupreme Court of the United States · 1873
- Chadeloid Chemical Co. v. JohnsonCourt of Appeals for the Seventh Circuit · 1913
- Comptograph Co. v. Burroughs Adding Mach. Co.Court of Appeals for the Seventh Circuit · 1910
- Harshberger v. TarrsonCourt of Appeals for the Seventh Circuit · 1950
1 more not listed; retrieve them via the Exa API.
3Cited by8 opinions
- Arvin Industries, Inc. v. Berns Air King CorporationCourt of Appeals for the Seventh Circuit · 1975
- General Mills, Inc. v. Kraft Foods Global, Inc.Court of Appeals for the Federal Circuit · 2007
- Crane Co. v. Aeroquip CorporationDistrict Court, N.D. Illinois · 1973
- Unilectric, Inc., by Change of Name From United Mfg. And Service Co. v. Holwin CorporationCourt of Appeals for the Seventh Circuit · 1957
- Mirowski Family Ventures, LLC v. Boston Scientific Corp.District Court, S.D. Indiana · 2013
3 more not listed; retrieve them via the Exa API.