Bell Telephone Laboratories, Incorporated v. Hughes Aircraft Company, and General Instrument Corporation

OPINION OF THE COURT

MARIS, Circuit Judge.

This is an appeal by Hughes Aircraft Corporation (herein “Hughes”) from a final judgment of the district court in favor of the plaintiff in an action brought by Bell Telephone Laboratories, Inc. (herein “Bell”) against Hughes and General Instrument Corporation to establish priority of inven tion as among their conflicting patents. Judgment by default having been entered against General Instrument Corporation, it is no longer involved in the case. Bell and Hughes hold interfering patents claiming the same invention, the Bell patent being Patent No.…