Teledyne Ryan Aeronautical Co. v. Montgomery Ward & Co.

MEMORANDUM OPINION

WINNER, District Judge.

Plaintiff, Teledyne, initially filed a five count complaint against the single defendant, Montgomery Ward & Co. One Count of that complaint claimed patent infringement of a patent of an oral hygiene apparatus. This patent is commonly referred to as the Mattingly patent. Thereafter, Northern Electric Company filed a declaratory judgment action in California against Teledyne Industries, Inc., seeking to have the Mat-tingly patent declared to be invalid. Some two weeks later, Teledyne filed an amended complaint claiming patent infringement of the…