U.S. patent number D333,461 [Application Number 07/579,450] was granted by the patent office on 1993-02-23 for remote control unit for programmable controller. This patent grant is currently assigned to Koyo Electronics Industries Co., Ltd.. Invention is credited to Norio Shimizu, Yuichi Watanabe.
United States Patent | D333,461 |
Shimizu , et al. | February 23, 1993 |
Inventors: | Shimizu; Norio (Tokyo, JP), Watanabe; Yuichi (Tokyo, JP) |
---|---|
Assignee: | Koyo Electronics Industries Co.,
Ltd. (Tokyo, JP) |
Appl. No.: | 07/579,450 |
Filed: | September 7, 1990 |
Mar 15, 1990 [JP] | 2-8727 | |||
Current U.S. Class: | D13/162.1 |
Field of Search: | ;D14/217,218,299,107,114 ;D13/168,184,162 ;455/151,352-355 ;358/194.1 |
D307741 | May 1990 | Gilbert |
D311389 | October 1990 | Festa et al. |
D316247 | April 1991 | Liabres et al. |
D328058 | July 1992 | Suzuki et al. |
Control Engineering, Jul. 1989, p. 75, TI Series 305. . Control Engineering, Jul. 1989, p. 76, TI Series 405 I/O modules.. |
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