U.S. patent number D323,657 [Application Number 07/682,119] was granted by the patent office on 1992-02-04 for telephone station having a touch-screen display. This patent grant is currently assigned to AT&T Bell Laboratories. Invention is credited to David C. Danielson, Michael G. Grisham, James J. Hartmann, David C. Stowers.
United States Patent | D323,657 |
Danielson , et al. | February 4, 1992 |
Inventors: | Danielson; David C. (New Canaan, CT), Grisham; Michael G. (New York, NY), Hartmann; James J. (Indianapolis, IN), Stowers; David C. (Nutley, NJ) |
---|---|
Assignee: | AT&T Bell Laboratories
(Murray Hill, NJ) |
Appl. No.: | 07/682,119 |
Filed: | April 8, 1991 |
Current U.S. Class: | D14/151; 379/368; D14/130; D14/371 |
Field of Search: | ;D14/130,151,240,241 ;379/440,419,434,436,368 |
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