Minnesota Mining & Manufacturing Co. v. Technical Tape Corp.

CASTLE, Circuit Judge.

Minnesota Mining and Manufacturing Company, plaintiff-appellee,1 owner of Drew Patent No. 2,177,627 on pressure-sensitive cellophane tape, brought suit in the District Court charging the defendants-appellants with joint infringement of the patent. The defendants-appellants are Technical Tape Corporation, a New York corporation; Technical Tape of Illinois, Inc., an Illinois corporation; Floyd R. Warner; and B. Franklin Collins.

Prior thereto Technical Tape Corporation had instituted a declaratory judgment action in the United States District Court for the Southern District…