U.S. patent number D285,069 [Application Number 06/539,756] was granted by the patent office on 1986-08-12 for telephone unit. This patent grant is currently assigned to Iwatsu Electric Co., Ltd.. Invention is credited to Masakazu Tsukamoto, Satoru Tsukiyama.
United States Patent | D285,069 |
Tsukamoto , et al. | August 12, 1986 |
Inventors: | Tsukamoto; Masakazu (Tokyo, JP), Tsukiyama; Satoru (Tokyo, JP) |
---|---|
Assignee: | Iwatsu Electric Co., Ltd.
(Tokyo, JP) |
Appl. No.: | 06/539,756 |
Filed: | October 6, 1983 |
Apr 6, 1983 [JP] | 58-14460 | |||
Current U.S. Class: | D14/151 |
Field of Search: | ;D14/52,53,56,58,60,62,63 ;179/179,1R,1D,1C,1L,101,103 |
D219224 | November 1970 | Payne |
D231740 | June 1979 | Wolf et al. |
D259419 | June 1981 | Carter |
D261139 | October 1981 | Jakobsen |
D264338 | May 1982 | Sharp et al. |
D268181 | March 1983 | Banko |
D276338 | November 1984 | Pando |
D279981 | August 1985 | Tsukamoto et al. |
D279982 | August 1985 | Genaro et al. |
D280324 | August 1985 | Endt |
Digitel Monitor Brochure. . Electronic News Publication, Jul. 11, 1983 "See Vendor Race Shaping to Offer Muxes".. |
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