Edward Barr Co. v. New York & New Haven Automatic Sprinkler Co.

This is an application for a preliminar injunction to restrain defendants from infringing two patents owned, in whole or in part, by complainant. Both these patents cover improvements in apparatus for the automatic extinguishment of fires. The first patent, No. 307,456, was granted November 4, 1884, to Frank Gray, and it is contended that one claim only of such patent is infringed. The other patent, No. 357,987, was granted February 15, 1887, to William S. Gray, (jointly with Frank Gray,) and it is contended that it is infringed in its entirety.

Before a preliminary injunction to restrain…