U.S. patent number D381,978 [Application Number D/044,245] was granted by the patent office on 1997-08-05 for personal computer infra-red communication device. This patent grant is currently assigned to International Business Machines Corp.. Invention is credited to Kazuo Nakada, Kazuhiko Yamazaki.
United States Patent | D381,978 |
Nakada , et al. | August 5, 1997 |
Inventors: | Nakada; Kazuo (Sagamihara, JP), Yamazaki; Kazuhiko (Hiratuka, JP) |
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Assignee: | International Business Machines
Corp. (Armonk, NY) |
Appl. No.: | D/044,245 |
Filed: | September 21, 1995 |
Current U.S. Class: | D14/358; D14/217; D14/432 |
Current International Class: | 1403 |
Field of Search: | ;D14/137,138,139,124,155,159,299,217,114 ;455/73,89,90,128 ;D10/104,121 ;D21/111,113 |
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D311536 | October 1990 | Reeves et al. |
D347218 | May 1994 | Shuler |
D350347 | September 1994 | Tracy et al. |
D359281 | June 1995 | Grasso et al. |
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