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MINTON v. THOMAS

Patent Appeal No. 2666.

48 F.2d 425 (1931)

MINTON et al. v. THOMAS.

Court of Customs and Patent Appeals.

April 15, 1931.

Attorney(s) appearing for the Case

H. G. Grover, of New York City (James G. Norton, of New York City, of counsel), for appellant.

Adolph A. Thomas, of New York City, pro se.

Before GRAHAM, Presiding Judge, and BLAND, HATFIELD, and GARRETT, Associate Judges.

GRAHAM, Presiding Judge.

The appellants filed an application on June 9, 1925, for a patent on improvements "in filter systems for loud speakers." On July 12, 1927, a patent was issued to the appellee upon an invention relating to loud speakers upon his application filed March 15, 1926. On October 12, 1927, the appellants filed an amendment in the Patent Office, in and by means of which they amended their specification so that the same would state one of the objects...

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