Collins v. Emerson

BINGHAM, Circuit Judge.

This is a suit in equity for infringement of letters patent No. 1,834,580, applied for July 23, 1929, issued December 1, 1931, to Philip Drinker and others; letters patent No. 1,906,453, applied for November 23, 1931, and issued May 7, 1933, to Philip Drinker and others; and letters patent No. 1,906,844, applied for November 27, 1931, and issued May 2, 1933, to Philip Drinker and others. These patents are now owned by Warren E. Collins, Warren E. Collins, Jr., and Walter G. Chick, individually and as trustees, and the sole licensee is Warren E. Collins, Inc., all of…