| Number | Date | Country | Kind |
|---|---|---|---|
| 56-30731 | Jul 1981 | JPX |
| Number | Name | Date | Kind |
|---|---|---|---|
| 3063167 | Scholl | Nov 1962 | |
| 3063457 | Bittner et al. | Nov 1962 | |
| 4047310 | Sunoo | Sep 1977 |
| Entry |
|---|
| Prevention Magazine, 7/1970, p. 114-Ganter "Foot-Trainer". |
| Boot & Shoe Recorder, 8/15/1961, p. 11-Women's High Heel Sandal No. 7372 at lower right. |