Number | Name | Date | Kind |
---|---|---|---|
D308815 | Caruso et al. | Jun 1990 | |
1855315 | Schacht | Apr 1932 | |
1902726 | Schacht | Mar 1933 | |
4144617 | McCarroll | Mar 1979 | |
4206716 | Anderson | Jun 1980 | |
4217944 | Pascal | Aug 1980 | |
4248453 | Stark | Feb 1981 | |
4283810 | Demrick | Aug 1981 | |
4295256 | Pascal | Oct 1981 | |
4327462 | Eggleston | May 1982 | |
4399586 | McCarroll | Aug 1983 | |
4649595 | Shane | Mar 1987 | |
4722115 | Yang | Feb 1988 | |
4911269 | Perl | Mar 1990 | |
5068943 | Estkowski et al. | Dec 1991 | |
5226739 | Estkowski et al. | Jul 1993 | |
5230571 | Estkowski et al. | Jul 1993 | |
5415252 | Estkowski | May 1995 |
Number | Date | Country |
---|---|---|
1202456 | Apr 1986 | CAX |
Entry |
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P.J. Catalog, p. 25, caster wheel located at right of page, Apr. 1986. |
P.J. Catalog, p. 23, caster wheel located at right of page, Apr. 1986. |
Colson Catalog, p. 10, caster circled at left of page, Jun. 1988. |
Saginau, p. 7, caster wheel item a located at top left of page, Mar. 1985. |