| Number | Name | Date | Kind |
|---|---|---|---|
| D139880 | Hacker | Jan 1945 | |
| D163640 | Sabel et al. | Jun 1951 | |
| D316724 | Kosako et al. | May 1991 | |
| D328095 | Sugihara et al. | Jul 1992 | |
| D339152 | Hirose et al. | Sep 1993 | |
| D339370 | Sugihara et al. | Sep 1993 | |
| D355925 | Saunders et al. | Feb 1995 | |
| 4603335 | Koyasu | Jul 1986 | |
| 4651173 | Ozawa et al. | Mar 1987 | |
| 4807868 | Hirst et al. | Feb 1989 | |
| 4935821 | Sano et al. | Jun 1990 |
| Number | Date | Country |
|---|---|---|
| 2171055 | Aug 1986 | GBX |
| Entry |
|---|
| Xerox brochure for 3080 Copier Printer; May 1987. |