Number | Name | Date | Kind |
---|---|---|---|
3297293 | Andrews et al. | Jan 1967 | |
3371951 | Bryant | Mar 1968 | |
3628820 | Blatt | Dec 1971 | |
3905633 | Larson | Sep 1975 | |
4558979 | Andrews | Dec 1985 | |
4570987 | Wong et al. | Feb 1986 | |
4592686 | Andrews | Jun 1986 | |
4641986 | Tsui et al. | Feb 1987 | |
5352056 | Chandler | Oct 1994 | |
5405210 | Tsui | Apr 1995 | |
5586801 | Sawyer et al. | Dec 1996 | |
5743576 | Schron, Jr. et al. | Apr 1998 |
Number | Date | Country |
---|---|---|
365430 | Apr 1990 | EPX |
Entry |
---|
Jergens, Inc.--1997 catalog entitled "Hoist Rings". |