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U. S. PHILIPS CORPORATION v. FERRO CORP.

No. 75-1131.

522 F.2d 1100 (1975)

U. S. PHILIPS CORPORATION, Plaintiff-Appellee, v. FERRO CORPORATION, Defendant-Appellant.

United States Court of Appeals, Sixth Circuit.

September 3, 1975.

Attorney(s) appearing for the Case

Milton L. Simmons, Cleveland, Ohio, for defendant-appellant; Richard J. Egan, Baldwin, Egan, Walling & Fetzer, Cleveland, Ohio, of counsel.

Robert B. Gosline, Toledo, Ohio, John D. Fairchild, Wilmington, Del., Rolf H. Scheidel, Toledo, Ohio, for plaintiff-appellee.

Before PHILLIPS, Chief Judge, and EDWARDS and MILLER, Circuit Judges.

PHILLIPS, Chief Judge:

This is a suit for infringement of two patents: No. 2,762,777, for "Permanent Magnet and Method of Making the Same", and No. 2,762,778, for "Method of Making Magnetically-Anisotropic Permanent Magnets".

The magnets produced under these patents are widely used for consumer, industrial, scientific and other purposes, including loudspeakers, electric motors and refrigerator door gaskets.

Although the defendants asserted invalidity...

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