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Bell Telephone Laboratories, Inc.
Lucent Technologies Corporate Headquarters 600 Mountain Avenue Murray Hill, NJ 07974
Web: http://www.bell-labs.com/
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Bell Telephone Laboratories history page... http://www.bell-labs.com/history/
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*U.S. Patent No. 2,102,671
, 12/21/1937 (app. 04/22/1929, serial 606,871) WAVE TRANSLATION SYSTEM (class: 330/57; 84/DIG10; 324/123C; 330/76; 330/77; 330/87; 330/92; 330/100; 330/102; 330/106; 330/107; 330/108; 330/110; 330/111; 330/112; 333/18) Black, Harold S. of Westfield, N.J. (assignee: Bell Telephone Laboratories, Inc. of New York, N.Y.) [[87 pages] [DjVu* Drawings 609KB] [DjVu* Text 908KB]] [Comments]
*U.S. Patent No. 2,114,471
, 04/19/1938 (app: 06/20/1936 - serial: 86,228) SOUND RECORDING AND REPRODUCING SYSTEM (class: 369/86; 369/91; 369/132; 369/136) Keller, Arthur C. of Mount Vernon, NY and Rafuse, Irad S. of Hempstead, NY (assignee: Bell Telephone Laboratories, Inc. of New York, NY) [DjVu112KB]
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