Earl R. Jackson v. Dunham-Bush, Inc., Great Atlantic & Pacific Tea Co., and Roche and Hull, Inc.

This case involves the validity of patent No. 2,755,371 issued to the appellant,. Earl R. Jackson, on July 17, 1956, upon application filed March 20, 1953, for a. device for defrosting of refrigerators, deep freezers and cooling systems. The-complaint charged infringement of the-patent by Dunham-Bush, Inc., Great Atlantic & Pacific Tea Co., and Roche and'. Hull, Inc., appellees. Injunction, accounting and damages were sought. Upon the-issues of the patent’s validity and defendants’ infringement, the District. Court found against the plaintiff Jackson and dismissed the action.

We affirm on the…