| Number | Name | Date | Kind |
|---|---|---|---|
| D321850 | Mong-Hsing | Nov 1991 | |
| 2443236 | Gallagher | Jun 1948 | |
| 2993702 | Gill | Jul 1961 | |
| 3612603 | Snyder | Oct 1971 | |
| 4542915 | Wheeler, III et al. | Sep 1985 | |
| 5018754 | Cheng | May 1991 | |
| 5184835 | Huang | Feb 1993 |
| Number | Date | Country |
|---|---|---|
| 2615155A | Nov 1988 | FRX |
| Entry |
|---|
| Stretch.TM. Tandem Stroller Product Literature (#51) (1992). |