LINDLEY, Circuit Judge.
Plaintiff charged defendant with infringement of its patents, Brenn 2,082,730, Johnson 2,258,573, Brenn 2,212,174 and Brenn 2,159,500. The District Court held each invalid and entered judgment dismissing the complaint. Plaintiff appeals from so much of the judgment as declared invalid the first three patents.
With the arrival of the typewriter and related office machines, business practices in correspondence and recording took on new...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.
