Lane v. Soverign

This is a bill in equity charging defendants with the infringement of letters patent No. 387,426, granted August 7, 1888, to the complainant for an oil-can, and praying for an injunction and an accounting for profits and damages. Defendants answered, admitting the issue of the letters patent in question .to complainant, as alleged in the bill, but insisted on proof as to whether complainant was the original and first inventor of the improvement described and claimed in the patent. Defendants also, by their answer, denied that they were, at the time of making such answer, engaged in…