Number | Name | Date | Kind |
---|---|---|---|
D293675 | Yokoi et al. | Jan 1988 | |
D307135 | Sato et al. | Apr 1990 | |
D324854 | Lee | Mar 1992 | |
D331228 | Toedter | Nov 1992 |
Entry |
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Business Systems Electrical Communication-Vol. 61 No. 3-1987 p. 333 (PS 300 Personal Computer-above left). |