Number | Date | Country | Kind |
---|---|---|---|
8927225 | Dec 1989 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3873443 | Cothran et al. | Mar 1975 | |
3988571 | Blair et al. | Oct 1976 | |
4196846 | Kao et al. | Apr 1980 | |
4391510 | Cherian | Jul 1983 | |
4558373 | Plasencia et al. | Dec 1985 | |
4618302 | Kokubo et al. | Oct 1986 | |
4696426 | Decker et al. | Sep 1987 | |
4817934 | McCormick et al. | Apr 1989 | |
4820909 | Kawauchi et al. | Apr 1989 | |
4822018 | Hain | Apr 1989 | |
4838480 | Takahashi et al. | Jun 1989 | |
4944504 | Yamada et al. | Jul 1990 | |
4997176 | Hain | Mar 1991 |
Entry |
---|
IBM Technical Disclosure Bulletin, "Card Registration Device" by D. J. Wanek, vol. 13, No. 8, Jan. 1971 p. 2228. |