Court of Appeals for the Third Circuit October 15, 1965, 79-61 (Tektronix Inc. v. The United States and the Hickok Electrical Instrument Co., Lavoie Laboratories, Inc., Jetronic Industries, Inc., Third-Party)

COWEN, Chief Judge.

Plaintiff, a manufacturer of oscilloscopes, owns a number of United States patents covering circuitry and devices used in connection with oscilloscopes. Plaintiff filed in this court a petition alleging unauthorized manufacture or use by the defendant of certain of plaintiff’s patented inventions.