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AMERICAN TRI-ERGON CORPORATION v. COE

No. 67179.

30 F.Supp. 83 (1939)

AMERICAN TRI-ERGON CORPORATION et al. v. COE et al.

District Court of the United States for the District of Columbia.

October 12, 1939.

Attorney(s) appearing for the Case

Leslie C. Garnett and Samuel F. Beach, both of Washington, D.C., and Page S. Haselton, of New York City, for plaintiff American Tri-Ergon Corporation.

R. F. Whitehead, of Washington, D.C., for defendant Coe.

Leonard Day, of New York City, for defendant Radtke.

Kimball Fletcher, Jr., of Los Angeles, Cal., for defendant Whitson.

GOLDSBOROUGH, Justice.

For the purposes of this opinion, the plaintiff will be called Vogt and the defendants, Radtke and Whitson.

This is an interference proceeding in which each of the indicated parties seek the grant of a patent because of priority of invention upon the following counts.

1. In sound reproducing apparatus, the combination of a photoelectric cell having an alkali cathode, means for illuminating the cell with acoustically-modulated...

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