Legal Opinion
Julie Research Laboratories, Inc. v. Guildline Instruments, Inc., and Hallmark Standards, Inc.
Court of Appeals for the Second Circuit
Decided July 22, 1974No. 471, Docket 73-2116PublishedCited by 33 opinions
1Opinion of the Court
DAVIS, Judge:
After a bench trial in this patent infringement action, the District Court upheld the validity of Patent No. 3,454,877 (issued in July 1969 to Loebe Julie), and ruled that defendant-appellant Guildline Instruments, Inc., had infringed claims 1, 5, 8 and 9. The patent relates to a potentiometer, a device for measuring an unknown voltage by producing a known voltage for comparison with the unknown voltage, and covers “Potentiometer Means for Providing a Standardized Precision Low Voltage.” Plaintiff-appellee Julie Research Laboratories, Inc., owner of the patent by assignment,…
2Cases cited13 opinions
- Graham v. John Deere Co. of Kansas CitySupreme Court of the United States · 1966
- International Controls Corp. v. VescoCourt of Appeals for the Second Circuit · 1974
- Formal Fashions, Inc., and Paul Kellner v. Braiman Bows, Inc.Court of Appeals for the Second Circuit · 1966
- Gilbert Shaw and Polymers, Inc. v. E. B. & A. C. Whiting CompanyCourt of Appeals for the Second Circuit · 1969
- Reeves Brothers, Inc., and Cross-Appellee v. U. S. Laminating Corp. And Travis Rauch, and Cross-AppellantsCourt of Appeals for the Second Circuit · 1969
8 more not listed; retrieve them via the Exa API.
3Cited by33 opinions
- Panduit Corporation v. Dennison Manufacturing Co.Court of Appeals for the Federal Circuit · 1987
- Timely Products Corporation, Raphael J. Costanzo v. Stanley ArronCourt of Appeals for the Second Circuit · 1975
- Airtex Corporation, and Cross-Appellee v. Shelley Radiant Ceiling Company, and Cross-AppellantCourt of Appeals for the Seventh Circuit · 1976
- Maclaren v. B-I-W Group Inc.Court of Appeals for the Second Circuit · 1976
- Digitronics Corp., Now Amperex Electronic Corp., Plaintiff-Appellant-Cross v. The New York Racing Association, Inc., Defendants-Appellees-CrossCourt of Appeals for the Second Circuit · 1977
28 more not listed; retrieve them via the Exa API.