Number | Name | Date | Kind |
---|---|---|---|
1902878 | McNaught et al. | Mar 1933 | A |
3608403 | Green | Sep 1971 | A |
3724298 | Howard | Apr 1973 | A |
3763724 | Green | Oct 1973 | A |
3847038 | Green | Nov 1974 | A |
4869138 | Farris | Sep 1989 | A |
4934220 | Slusar et al. | Jun 1990 | A |
5522288 | Slusar et al. | Jun 1996 | A |
5537899 | Diedrich | Jul 1996 | A |
5983757 | Blise et al. | Nov 1999 | A |
6070506 | Becker | Jun 2000 | A |
6109141 | Nurmi | Aug 2000 | A |
6125722 | Hopper, Jr. et al. | Oct 2000 | A |
6230591 | Ling et al. | May 2001 | B1 |
6253647 | Eggert et al. | Jul 2001 | B1 |
6260448 | Chaconas | Jul 2001 | B1 |
Number | Date | Country |
---|---|---|
1382172 | Nov 1964 | FR |
Entry |
---|
Snap-on #600 catalog, p. 277 (admitted prior art). |