Legal Opinion
General Motors Corp. v. Coe
Court of Appeals for the D.C. Circuit
Decided June 16, 1941No. 7647PublishedCited by 7 opinions
1Opinion of the Court
EDGERTON, Associate Justice.
This is a suit1 to obtain a patent on “resonance units” for muffling the noises from the induction and exhaust systems of automobile engines. The application was made by Ernest E. Wilson in 1930. The device consists of a duct with one or more communicating branches or chambers proportioned or “tuned” to preselected sound waves passing through the duct so as to attenuate those which are objectionably loud. The Commissioner concedes that appellant has a patentable invention in certain structural forms of this device, and has allowed claims which recite them. He…
2Cases cited7 opinions
- Abbott v. CoeCourt of Appeals for the D.C. Circuit · 1939
- Daniels v. CoeCourt of Appeals for the D.C. Circuit · 1940
- In re CoykendallCourt of Appeals for the D.C. Circuit · 1928
- Minnesota Mining & Mfg. Co. v. CoeCourt of Appeals for the D.C. Circuit · 1940
- Forward Process Co. v. CoeCourt of Appeals for the D.C. Circuit · 1940
2 more not listed; retrieve them via the Exa API.
3Cited by7 opinions
- Hoover Co. v. CoeSupreme Court of the United States · 1945
- Standard Oil Development Co. v. Marzall, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1950
- Edwid E. Hays and Wallace & Tiernan, Inc. v. Edward J. Brenner, Commissioner of PatentsCourt of Appeals for the D.C. Circuit · 1966
- Edwin L. Reynolds, Acting Commissioner of Patents v. Elie P. AghnidesCourt of Appeals for the D.C. Circuit · 1966
- Application of Jack H. HofstetterCourt of Customs and Patent Appeals · 1966
2 more not listed; retrieve them via the Exa API.