CALIFORNIA RESEARCH CORPORATION et al., Appellants, v. David L. LADD, Commissioner of Patents, Appellee. No. 19375.United States Court of Appeals, District of Columbia Circuit.Argued October 20, 1965. Decided February 4, 1966. Page 814 Mr. Frank E. Johnston, San Francisco, Cal., of the bar of the Supreme Court of California, pro hac vice, by special leave […]