Consolidated Car Heating Co. v. Lehigh Traction Co.

JOHNSON, District Judge.

The bill of complaint charges the defendants with the infringement of letters patent No. 1,293,786, issued February 11,1919; letters patent No. 1,500,566, issued July 8,1924; and letters patent No. 1,664,778, issued April 3, 1928, issued to Lee P. Hynes and by him assigned to the Consolidated Car Heating Company, Inc., of Albany, N. Y., and prays for an injunction and an accounting.

In their answer the defendants deny the validity of the patents in suit and also deny infringement. On the pleadings and evidence, two main questions arise for disposition: First, the…