Legal Opinion
Sterling Aluminum Products, Inc. v. Bohn Aluminum & Brass Corp.
District Court, E.D. Michigan
Decided September 30, 1960No. 18847PublishedCited by 6 opinions
1Opinion of the Court
FREEMAN, District Judge.
This is an action for infringement of Letters Patent No. 2,771,328 issued to W. N. Wainwright, et al., on November *88120, 1956, with related claim of unfair competition. Defendant’s answer alleges that the patent is invalid, and by way of counterclaim, seeks a declaratory judgment declaring the patent invalid and void in toto.
The patent in issue is for a Piston Ring Groove Protector. According to the specification, aluminum pistons generally are provided with ring grooves into which are placed piston rings usually of iron or steel; the rapid reciprocation of the piston…
2Cases cited7 opinions
- General Motors Corp. v. Estate Stove Co.Court of Appeals for the Sixth Circuit · 1953
- National Latex Products Company v. Sun Rubber Company, Akron Presform Mold Company v. Sun Rubber CompanyCourt of Appeals for the Sixth Circuit · 1960
- Royal Patent Corp. v. Monarch Tool & Mfg. Co.Court of Appeals for the Sixth Circuit · 1953
- James A. Bede and Bede Products Corporation v. Baker & English, Inc., Spee-Flo Company, Inc.Court of Appeals for the Sixth Circuit · 1960
- De Burgh v. KINDEL FURNITURE COMPANYDistrict Court, W.D. Michigan · 1954
2 more not listed; retrieve them via the Exa API.
3Cited by6 opinions
- Westwood Chemical, Inc. v. Owens-Corning Fiberglas CorporationCourt of Appeals for the Sixth Circuit · 1971
- John Phil Felburn v. The New York Central Railroad Company, and Fruehauf Trailer Company,defendants-AppelleesCourt of Appeals for the Sixth Circuit · 1965
- Sterling Aluminum Products, Inc. v. Bohn Aluminum & Brass Corp.Court of Appeals for the Sixth Circuit · 1962
- Kearney & Trecker Corp. v. Cincinnati Milacron, Inc.District Court, S.D. Ohio · 1975
- Brunswick Corp. v. Outboard Marine Corp.District Court, E.D. Wisconsin · 1969
1 more not listed; retrieve them via the Exa API.