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HAP CORPORATION v. HEYMAN MANUFACTURING COMPANY

Nos. 5929, 5939.

311 F.2d 839 (1962)

HAP CORPORATION, Defendant, Appellant, v. HEYMAN MANUFACTURING COMPANY, Plaintiff, Appellee. HEYMAN MANUFACTURING COMPANY, Plaintiff, Appellant, v. HAP CORPORATION, Defendant, Appellee.

United States Court of Appeals First Circuit.

Decided November 20, 1962.

Rehearing Denied January 9, 1963.

Attorney(s) appearing for the Case

William R. Liberman, New York City, with whom Max Schwartz and Walter Adler, Providence, R. I., were on brief, for Hap Corp.

Delevan Smith, New York City, with whom John H. Chafee and M. Arthur Auslander, New York City, were on brief, for Heyman Mfg. Co.

Before WOODBURY, Chief Judge, and HARTIGAN and ALDRICH, Circuit Judges.

ALDRICH, Circuit Judge.

Heyman Manufacturing Company sued Hap Corporation for infringement of two patents. Hap counterclaimed for infringement of four others. The district court found for plaintiff on one patent, and for plaintiff in counterclaim on two. 196 F.Supp. 447. On these appeals each party has accepted one defeat, so that now four patents are involved.

Both parties have been engaged for many years in the metal...

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