Court of Appeals for the Seventh Circuit April 13, 1909, No. 1,480 (International Telephone Mfg. Co. v. Kellogg Switch Board & Supply Co.)

BAKER, Circuit Judge

(after stating the facts as above). Forty odd reference patents were not needed to prove that Dean was not a pioneer in the telephonic art, that he did not originate the granular-carbon type of transmitter, and that he was not the first to provide a means for preventing the packing of the granules.