| Number | Date | Country | Kind |
|---|---|---|---|
| 4-332725 | Dec 1992 | JPX | |
| 4-349427 | Dec 1992 | JPX | |
| 4-360899 | Dec 1992 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 4315628 | Balash et al. | Feb 1982 | |
| 5111409 | Gasper et al. | May 1992 |
| Number | Date | Country |
|---|---|---|
| 3-129572 | Jun 1991 | JPX |
| 3-193074 | Aug 1991 | JPX |
| Entry |
|---|
| Rakover et al, "To Catch a Thief with a Recognition Test: the Model and same Empirical Results", Cognitive Psychology 21, 423-468 (1989). |