American Telephone & Telegraph Co. v. Radio Audion Co.
District Court, D. Delaware
In Equity. Suit by the American Telephone & Telegraph Company against the Radio Audion Company and the De Forest Radio Telephone & Telegraph Company. On motion to dismiss bill and motion by complainant for preliminary injunction.
1Opinion of the Court
MORRIS, District Judge.
The plaintiff, American Telephone & Telegraph Company, having filed its bill of complaint charging the defendant Radio Audion Company with infringement, and the defendant *201De Forest Radio Telephone & Telegraph Company with contributory infringement, of claims 4 and 6 of letters patent No. 841,387, for improvement in devices for amplifying feeble electric currents, and claims 2, 3, 6, 14, 18, and 21 of letters patent No. 879,532, for improvement in space telegraphy, moved for a preliminary injunction. The motion has been heard upon bill, answer, affidavits, and exhibits.
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2Cases cited13 opinions
- Waterman v. MacKenzieSupreme Court of the United States · 1891
- Littlefield v. PerrySupreme Court of the United States · 1875
- Swain v. SeamansSupreme Court of the United States · 1870
- Heaton-Peninsular Button-Fastener Co. v. Eureka Specialty Co.Court of Appeals for the Sixth Circuit · 1896
- Thomson-Houston Electric Co. v. Ohio Brass Co.Court of Appeals for the Sixth Circuit · 1897
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3Cited by12 opinions
- Universal Pictures Co. v. Harold Lloyd CorporationCourt of Appeals for the Ninth Circuit · 1947
- Papazian v. American Steel & Wire Co. of New JerseyDistrict Court, N.D. Ohio · 1957
- American Telephone & Telegraph Co. v. Radio Audion Co.District Court, D. Delaware · 1925
- Aluminum Extrusion Company v. Soule Steel CompanyDistrict Court, C.D. California · 1966
- Ibis Enterprises, Limited v. Spray-Bilt, Inc.District Court, S.D. Florida · 1963
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