American Diamond Rock Boring Co. v. Sullivan Mach. Co.

SHIPMAN, District Judge.

This'is a motion for a preliminary injunction to restrain the defendants from the infringement of reissued letters patent No. 3,690, [Patent No. -39,235,] issued to Asahel J. Severance, as assignee of Rudolph Lesehot, and dated October 26th, 1869, for an “improved rock ■drill.” The original patent was issued to Rudolph Lesehot, and dated July 14th, 1863. "The plaintiffs became the owners of said reissued patent on June 4th, 1875. The American Diamond Drill Company, the assignor of the present plaintiffs, brought in this court, in the year 1872, their bill in equity…