Legal Opinion
The Ohio Citizens Trust Company, Trustee, and Telepro Industries, Incorporated v. Lear Jet Corporation
Court of Appeals for the Tenth Circuit
Decided April 7, 1969No. 9821_1PublishedCited by 15 opinions
1Opinion of the Court
BREITENSTEIN, Circuit Judge.
The issue is the validity of United States patent No. 2,778,637, the Eash patent, covering a single-reel, endless-magnetic-tape cartridge used in playback machines for sound reproduction. The cartridges contain prerecorded tape and, in connection with playback machines, are commonly used in the home and the automobile to furnish musical entertainment. Appellant Ohio Citizens Trust Company as trustee is the owner, and appellant Telepro Industries, Incorporated, is the exclusive licensee, of the Eash patent. They sued Lear Jet Corporation for infringement. Lear…
2Cases cited6 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.Supreme Court of the United States · 1951
- Cuno Engineering Corp. v. Automatic Devices Corp.Supreme Court of the United States · 1942
- Admiral Corporation v. Zenith Radio CorporationCourt of Appeals for the Tenth Circuit · 1961
- Consolidated Electrodynamics Corporation, a Corporation v. Midwestern Instruments, Inc., a CorporationCourt of Appeals for the Tenth Circuit · 1958
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3Cited by15 opinions
- Super Products Corporation, a Wisconsin Corporation v. D P Way Corporation, a Wisconsin CorporationCourt of Appeals for the Seventh Circuit · 1977
- Plastic Container Corporation v. Continental Plastics of Oklahoma, Inc.Court of Appeals for the Tenth Circuit · 1979
- Deep Welding, Inc. v. Sciaky Bros., Inc.Court of Appeals for the Seventh Circuit · 1969
- Sealed Air Corp. v. U.S. International Trade CommissionCourt of Customs and Patent Appeals · 1981
- Philips Industries, Inc. And Mobil Temp, Inc. v. State Stove and Manufacturing Company, Inc.Court of Appeals for the Sixth Circuit · 1975
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