Hewitt-Robins, Inc. v. Link-Belt Company

CASTLE, Circuit Judge.

Hewitt-Robbins, Inc., the plaintiff-appellant, brought this suit in the District Court as the assignee of Dischinger U.S. Patent No. 3,069,027, issued December 18, 1962, for “Reclaiming Method and Apparatus”. Plaintiff charged Link-Belt Company, the defendant-appel-lee, with infringement, and sought both injunctive relief and damages. The defendant denied validity and infringement and interposed two counterclaims: (1) for declaratory judgment that the patent is invalid and not infringed; and (2) for declaratory judgment of noninfringement by the reclaiming apparatus…