Safety Car Heating & Lighting Co. v. United States Light & Heating Co.

HAZEL, District Judge.

The bill in this case alleges infringement of letters patent No. 747,686, granted to John L. Creveling, December 22, 1903, for a system of electrical regulation adapted for use in supplying current to the lamps of railroad cars. There are 11 claims in the patent, but 8 only are alleged to be infringed by the lighting system of the defendant company. This court recently had before it for determination in another case between the complainant and defendant herein, argued and submitted just before this case was submitted for decision, the asserted infringement of the Thomson…