| Number | Name | Date | Kind |
|---|---|---|---|
| D239644 | Matsuura | Apr 1976 | |
| D253530 | Perkins | Nov 1979 | |
| D290451 | Engum | Jun 1987 | |
| D306988 | Cummings | Apr 1990 | |
| D320586 | Fellinghussien | Oct 1991 | |
| D320963 | Krieger | Oct 1991 | |
| D328266 | Cummings | Jul 1992 | |
| D357215 | Cummings | Apr 1995 | |
| 4705284 | Stout | Nov 1987 | |
| 4863163 | Hwang et al. | Sep 1989 | |
| 4917396 | Mereses et al. | Apr 1990 |
| Entry |
|---|
| American Bicyclist & Motorcyclist, May 1993, p. 47, the Windcheetah tricycle. |