| 4589069 | Data input/output system for gasoline stations | May, 1986 | Endo et al. | 235/381 |
| D283890 | Calling card telephone | May, 1986 | Britz et al. | D14/55 |
| 4562342 | Credit card provided with coded security means | December, 1985 | Solo | 235/380 |
| 4562340 | Terminal device for making payments for credit transactions | December, 1985 | Tateisi | 235/380 |
| 4529870 | Cryptographic identification, financial transaction, and credential device | July, 1985 | Chaum | 235/381 |
| 4472050 | Copying apparatus for producing combined copies | September, 1984 | Stockburger et al. | 235/381 |
| 4277689 | Document reader | July, 1981 | Thomas et al. | 235/482 |
| 4259699 | Magnetic recording medium guiding apparatus | March, 1981 | Yoshida | 360/2 |
| 3850426 | A CARD READER HAVING AUTOMATIC CARD POSITIONING MEANS | November, 1974 | Blair | 235/485 |
| 3462567 | ALL-WEATHER CARD READER | August, 1969 | Brown | 235/485 |
FIGS. 1 and 2 are left side, top and front perspective views of a retrofittable card reader and carrier select keyboard unit for paystation telephones showing our new design in two sizes of identical configuration;
FIGS. 3 and 4 are top and bottom plan views thereof presented in an enlarged size;
FIG. 5 is a front elevational view of the unit shown in FIGS. 3 and 4;
FIGS. 6 and 7 are respectively left and right side elevational views of the unit shown in FIGS. 3 and 4.
The broken line showing of two different, conventional styles of paystation telephone in FIGS. 1 and 2 is for illustrative purposes only and forms no part of the claimed design.