U.S. patent number D284,660 [Application Number 06/602,392] was granted by the patent office on 1986-07-15 for combination telephone set. This patent grant is currently assigned to Marvin Glass & Associates. Invention is credited to Douglas P. Montague, Howard J. Morrison.
United States Patent | D284,660 |
Montague , et al. | July 15, 1986 |
Inventors: | Montague; Douglas P. (Chicago, IL), Morrison; Howard J. (Deerfield, IL) |
---|---|
Assignee: | Marvin Glass & Associates
(Chicago, IL) |
Appl. No.: | 06/602,392 |
Filed: | April 20, 1984 |
Current U.S. Class: | D14/144 |
Field of Search: | ;D14/52,53,56,58,59,60,61,62,63,72 ;179/179,1D,1R,1C,1L,101,103 ;D21/111 |
D57700 | April 1921 | MiLarn |
D177953 | June 1956 | Young |
D264211 | May 1982 | Hillmer |
D274048 | May 1984 | Wong et al. |
D274518 | July 1984 | Doodson |
3659050 | April 1972 | Carlsson et al. |
3707607 | December 1972 | Reddick |
2305488 | Aug 1974 | DE | |||
2415395 | Sep 1979 | FR | |||
1393219 | May 1975 | GB | |||
Article by Ruffler & Wernet, GTE Auto Elect. Labs., Mar. 1977, pp. 275-279; Showing of Type 883A Residental Speakerphone. . Spiegel Fall 1983 Cat. at p. 606; showing of AT&T "Celebrity" and "Rendez-Vous", Item A & K on page.. |
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