| Number | Name | Date | Kind |
|---|---|---|---|
| D347526 | Hamilton | Jun 1994 | |
| 2784769 | Fisher | Mar 1957 | |
| 3191992 | McMasters | Jun 1965 | |
| 4253203 | Thomas | Mar 1981 | |
| 4359791 | Thomas | Nov 1982 | |
| 4391006 | Smith | Jul 1983 | |
| 4472844 | Mace | Sep 1984 | |
| 4475256 | Hatala | Oct 1984 | |
| 4520515 | Hatala | Jun 1985 | |
| 4975991 | Peterson | Dec 1990 | |
| 5335377 | Masyada et al. | Aug 1994 | |
| 5361428 | Nanowsky et al. | Nov 1994 |
| Entry |
|---|
| Activeaid Publication--Model 277 "Tub/Commode Chair", 2 pp., 1989. |