Number | Name | Date | Kind |
---|---|---|---|
3941231 | Matuck et al. | Mar 1976 | |
3989132 | Carson, Jr. | Nov 1976 | |
4034935 | Plaza et al. | Jul 1977 |
Number | Date | Country |
---|---|---|
55-888 | Apr 1980 | JPX |
Entry |
---|
Xerox Disclosure Journal, vol. 2, Number 6, Nov./Dec. 1977, p. 45-Ribbon Cartridge. |