All components of the appended drawings which are shown in broken lines are for illustrative purposes only and form no part of the claimed invention.
All components of the appended drawings which are shown in broken lines are for illustrative purposes only and form no part of the claimed invention.
| Number | Name | Date | Kind |
|---|---|---|---|
| 158420 | Knapp | Jan 1875 | A |
| 185902 | Fallows | Jan 1877 | A |
| 1293351 | Creasey | Feb 1919 | A |
| 2990615 | Ohler | Jul 1961 | A |
| D216573 | Snyder | Feb 1970 | S |
| 3978237 | Minera | Aug 1976 | A |
| 4209903 | Owens | Jul 1980 | A |
| 4949459 | Noble | Aug 1990 | A |
| 5092043 | Shirkey | Mar 1992 | A |
| 5481803 | Guthrie et al. | Jan 1996 | A |
| 5492021 | Bourgeois et al. | Feb 1996 | A |
| 5794344 | Poulos et al. | Aug 1998 | A |
| 6032368 | Huang et al. | Mar 2000 | A |
| D422854 | Wallays | Apr 2000 | S |
| 7114258 | Miller | Oct 2006 | B2 |
| 20060135330 | Clark et al. | Jun 2006 | A1 |