GRIM, J.
Plaintiff, Pennsalt Chemicals Corporation, has sued defendant, Dravo Corporation, for a declaratory judgment deciding that a certain patent is invalid and also asking for an injunction and damages. Plaintiff avers that defendant is the exclusive licensee of Lorenz patent No. 3,136,834.
Plaintiff also avers that this patent covers the manufacture, sale and use of certain degassing equipment used on molten steel in the steel producing industry; that...
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.