Number | Name | Date | Kind |
---|---|---|---|
4649266 | Eckert | Mar 1987 | A |
5490077 | Freytag | Feb 1996 | A |
5726894 | Sansone | Mar 1998 | A |
5742683 | Lee et al. | Apr 1998 | A |
5768132 | Cordery et al. | Jun 1998 | A |
5812400 | Eddy et al. | Sep 1998 | A |
5978781 | Sansone | Nov 1999 | A |
6058384 | Pierce et al. | May 2000 | A |
Number | Date | Country |
---|---|---|
0833280 | Apr 1998 | EP |
Entry |
---|
“Hong Kong Bank Introduces Smarter Subway Cards. (Dah Sing Bank (Hong Kong) introduces service enabling railway smart card users to automatically add value to cards via bank accounts)”; Financial NetNews; Oct. 04, 1999. vol. IV, No. 40, p. 6. |