KELLOGG SWITCHBOARD & S. CO. v. MICHIGAN BELL TEL. CO.

No. 4459.

5 F.Supp. 118 (1933)

KELLOGG SWITCHBOARD & SUPPLY CO. v. MICHIGAN BELL TELEPHONE CO. et al.

District Court, E. D. Michigan, S. D.

November 23, 1933.


Attorney(s) appearing for the Case

Williams, Bradbury, McCaleb & Hinkle, of Chicago, Ill., and Arthur M. Smith, of Detroit, Mich. (Lynn A. Williams, Curtis B. Camp, Clifford C. Bradbury, and C. W. Ooms, all of Chicago, Ill., of counsel), for plaintiff.

Fish, Richardson & Neave, of New York City, and Stevenson, Butzel, Eaman & Long, of Detroit, Mich. (Merrell E. Clark, William R. Ballard, M. R. McKenney, and Henry R. Ashton, all of New York City, of counsel), for defendants.


TUTTLE, District Judge.

The amended bill of complaint in this case asserted infringement of six patents. Four of these, the patents to Winston, No. 1,197,166, to Currier, No. 1,316,477, to Sparks, No. 1,358,182, and to Shull, No. 1,566,622, were withdrawn prior to the opening of the trial in court. This leaves but two patents to be here considered, namely, No. 1,428,762, to Currier, and No. 1,438,170, to Currier.

Patent No. 1,428,762 relates to those features...

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