| Number | Name | Date | Kind |
|---|---|---|---|
| D244628 | Wright | Jun 1977 | |
| D307168 | Vodhanel | Apr 1990 | |
| D315003 | Huang | Feb 1991 | |
| D321230 | Leonesio | Oct 1991 | |
| 1422888 | Reeves et al. | Jul 1922 | |
| 1672944 | Jowett | Jun 1928 | |
| 3758109 | Bender | Sep 1973 | |
| 4029312 | Wright | Jun 1977 | |
| 4076236 | Ionel | Feb 1978 | |
| 4529198 | Hettick, Jr. | Jul 1985 | |
| 4566690 | Schook | Jan 1986 | |
| 4575074 | Damratoski | Mar 1986 | |
| 4627618 | Schwartz | Dec 1986 | |
| 4743017 | Jaeger | May 1988 | |
| 4768780 | Hayes | Sep 1988 | |
| 4822034 | Shields | Apr 1989 | |
| 4880229 | Broussard | Nov 1989 | |
| 4900016 | Caruthers | Feb 1990 | |
| 4913422 | Elmore et al. | Apr 1990 | |
| 4948123 | Schook | Aug 1990 | |
| 5040787 | Brotman | Aug 1991 | |
| 5123885 | Shields | Jun 1992 |
| Number | Date | Country |
|---|---|---|
| 637365 | Apr 1928 | FRX |
| 1687271 | Oct 1991 | SUX |
| Entry |
|---|
| "Physical Conditioning Equipment 86/87 Catalog", Universal Gym Equipment, Inc., pp. 46 and 47. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 13785 | Feb 1993 |