U.S. patent number D293,317 [Application Number 06/842,890] was granted by the patent office on 1987-12-22 for digital telephone and data exchange equipment cabinet. This patent grant is currently assigned to NEC Corporation. Invention is credited to Hiroshi Kikkawa, Mamoru Miyazaki, Tooru Nakajima, Mitsuhiro Umezu.
United States Patent | D293,317 |
Umezu , et al. | December 22, 1987 |
Inventors: | Umezu; Mitsuhiro (Tokyo, JP), Nakajima; Tooru (Tokyo, JP), Kikkawa; Hiroshi (Tokyo, JP), Miyazaki; Mamoru (Tokyo, JP) |
---|---|
Assignee: | NEC Corporation (Tokyo,
JP) |
Appl. No.: | 06/842,890 |
Filed: | March 12, 1986 |
Sep 12, 1985 [JP] | 60-38774 | |||
Current U.S. Class: | D14/140.2; D14/311 |
Field of Search: | ;D14/52,102,109,107 ;361/383,390,391 ;200/83WM ;379/330 ;D13/41 |
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