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HAZELTINE CORPORATION v. WILDERMUTH

No. 322.

34 F.2d 635 (1929)

HAZELTINE CORPORATION v. WILDERMUTH.

Circuit Court of Appeals, Second Circuit.

July 1, 1929.

Attorney(s) appearing for the Case

Charles Neave and Stephen H. Philbin, both of New York City (Cornelius D. Ehret, of Philadelphia, Pa., of counsel), for appellant.

William H. Davis, of New York City (R. Morton Adams, of New York City, of counsel), for appellee.

Before MANTON, L. HAND, and CHASE, Circuit Judges.

MANTON, Circuit Judge.

Appellee sues for infringement of patent No. 1,533,858, granted April 14, 1925, to Hazeltine. Claims 1, 2, 5, 9, 11, 12, 14, and 16 are relied upon. The appellant, a dealer, is a purchaser from the Atwater Kent Manufacturing Company of four types referred to as models 20, 30, 32, and 35, which have all been held to infringe the patent. The patent relates to the control of undesired regenerative effects, especially oscillation, by means of neutralizing...

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