U.S. patent number D318,469 [Application Number 07/511,605] was granted by the patent office on 1991-07-23 for desk-mounted coinless public telephone. This patent grant is currently assigned to AT&T Bell Laboratories. Invention is credited to Richard M. Joffe, John N. McGarvey, Ronald L. Wild.
United States Patent | D318,469 |
Joffe , et al. | July 23, 1991 |
Inventors: | Joffe; Richard M. (Teaneck, NJ), McGarvey; John N. (Drexel Hill, PA), Wild; Ronald L. (Carmel, IN) |
---|---|
Assignee: | AT&T Bell Laboratories
(Murray Hill, NJ) |
Appl. No.: | 07/511,605 |
Filed: | April 20, 1990 |
Current U.S. Class: | D14/146; D14/151 |
Field of Search: | ;D14/146,105 ;379/197,60,440,418,419,420 |
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