Number | Name | Date | Kind |
---|---|---|---|
3944198 | Sakamoto | Mar 1976 | |
3944221 | Berkestad et al. | Mar 1976 | |
3970292 | Dachicourt et al. | Jul 1976 | |
4846458 | Potts | Jul 1989 | |
4899853 | Hummel | Feb 1990 | |
5322489 | Webb et al. | Jun 1994 | |
5372556 | Ropp | Dec 1994 | |
5407404 | Killian et al. | Apr 1995 |
Entry |
---|
Universal Exercise Equipment 1980-1981 Catalog p. 9. |