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HAZELTINE RESEARCH v. GENERAL MOTORS CORPORATION

Nos. 2426, 2436.

72 F.Supp. 138 (1947)

HAZELTINE RESEARCH, Inc., v. GENERAL MOTORS CORPORATION.

District Court, E. D. Michigan, S. D.

June 23, 1947.

Attorney(s) appearing for the Case

Leonard A. Watson and Laurence B. Dodds, both of New York City, and Whittemore, Hulbert & Belknap, of Detroit, Mich., for plaintiff.

Fred E. Jones, of Detroit, Mich., and Cooper, Kerr & Dunham, Stephen H. Philbin and C. Blake Townsend, all of New York City, for defendant.

LEDERLE, District Judge.

1. These actions involve the validity and infringement of Claims 1, 2, 3, 5, 6 and 8 of Wheeler Patent No. 1,951,685, hereafter referred to as the '685 patent, which issued March 20, 1934, on a "Peak Detector" for radios, and Claims 1 to 12, inclusive, of Wheeler Patent No. 2,041,273, hereafter referred to as the '273 patent, which issued May 19, 1936 for "Amplifier Volume Control". Both patents are based upon an application, Serial No. 203...

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