HAZELTINE RESEARCH v. AVCO MANUFACTURING CORP.

No. 51 C 1640.

126 F.Supp. 595 (1954)

HAZELTINE RESEARCH, Inc., Plaintiff, v. AVCO MANUFACTURING CORPORATION and The Harry Alter Co., Inc., Defendants.

United States District Court N. D. Illinois, E. D.

June 29, 1954.


Attorney(s) appearing for the Case

Laurence B. Dodds and Joseph R. McPhee, Jr., Little Neck, N. Y., M. Hudson Rathburn, Mason, Kolehmainen, Rathburn & Wyss, Chicago, Ill., Philip F. LaFollette, Madison, Wis., for plaintiff.

Floyd H. Crews, Morris Belson, Darby & Darby, New York City, Alden D. Redfield, Charles M. Hogan, and Norman J. O'Malley, Cincinnati, Ohio, Frank J. Naphin, Warren G. Sullivan, Pruitt & Grealis, Chicago, Ill., for defendants.


KNOCH, District Judge.

This is a patent infringement suit based upon letters patent Re. 22,055. The defenses are invalidity of the patent and non-infringement.

The case came on for hearing before the court on the pleadings and the evidence, consisting of oral testimony and documentary proofs. Witnesses were called by the respective parties, whose testimony was transcribed in the record. The court has had the benefit of argument by counsel, both orally and...

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