American Chemical Paint Co. v. Parker Rust Proof Co.

Findings of Fact.

LEDERLE, District Judge.

1. Plaintiff filed this suit for a declaratory judgment of its rights with respect to both infringement and validity of defendant’s United States Patents Nos. 1,911,726 and 1,869,121, and for recovery of damages incident to alleged unfair trade practices of the defendant. Defendant counterclaimed for infringement under Patent 1,911,726 only.

Both patents are process patents relating to the art of coating metals for the purpose of making surfaces rust-resisting, commonly called “rust-proofing”.

2. No evidence was offered that plaintiff or its customers…