PHILAD CO. v. LECHLER LABORATORIES

No. 72.

107 F.2d 747 (1939)

PHILAD CO. v. LECHLER LABORATORIES, Inc., and three other cases.

Circuit Court of Appeals, Second Circuit.

November 20, 1939.


Attorney(s) appearing for the Case

Morris Kirschstein, of New York City, for appellant.

Willis B. Rice, of New York City, for appellees Lechler Laboratories, Inc., and Handy Machine Tool & Engineering Co., Inc.

Thomas A. Hill, of New York City, for appellees I. X. L. Permanent Wave Corporation and Continental Permanent Wave Corporation.

Before SWAN, CHASE, and PATTERSON, Circuit Judges.


PATTERSON, Circuit Judge.

The Philad Company, owner of a patent on a process for imparting a permanent wave to the hair, patent to Mayer, reissue 18,841, brought suits for infringement against four concerns. The charge was that the defendants were guilty of contributory infringement, in that they sold appliances designed for use in waving hair by the patented process, with knowledge that purchasers were to use the appliances in waving hair by that process. The cases...

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