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MAGEE-HALE PARK-O-METER CO. v. VEHICULAR PARKING

No. 9978.

180 F.2d 897 (1950)

MAGEE-HALE PARK-O-METER CO. v. VEHICULAR PARKING, LIMITED.

United States Court of Appeals Third Circuit.

Decided March 7, 1950.

Rehearing Denied April 22, 1950.

Attorney(s) appearing for the Case

Robert F. Davis, Washington, D. C., Charles M. McKnight, Tulsa, Okl. (Richard K. Stevens, Stevens, Davis, Miller & Mosher, Washington, D. C., C. Edward Duffy, Logan, Duffy & Boggs, Wilmington, Delaware, on the brief), for appellant.

Harvey W. Lindsey, Jr., Chicago, Ill. (E. Ennalls Berl, Wilmington, Del., on the brief), for appellee.

Before BIGGS, Chief Judge, and O'CONNELL and KALODNER, Circuit Judges.

BIGGS, Chief Judge.

Magee-Hale Park-O-Meter Company (Magee-Hale), the original plaintiff in this action, manufacturers parking meters, and Vehicular Parking, Ltd. and others (designated as a group as "Vehicular" in this opinion) hold patents relating to parking meters. Magee-Hale alleged that Vehicular had threatened to bring an infringement suit against it based on four patents owned or controlled by Vehicular and that the patents in dispute were invalid and non...

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