The example is shown with a transparent lid to more easily view the internal components. The variation shown in
The example is shown with a transparent lid to more easily view the internal components. The variation shown in
| Number | Name | Date | Kind |
|---|---|---|---|
| 110916 | Houcke | Jan 1871 | A |
| 912136 | Landry | Feb 1909 | A |
| 1032212 | Hilton | Jul 1912 | A |
| 1344836 | Walden | Jun 1920 | A |
| 1444244 | Grossenbacher | Feb 1923 | A |
| 1517624 | Girard | Dec 1924 | A |
| 1620765 | Jackson | Mar 1927 | A |
| 2441941 | Shaffer | May 1941 | A |
| 2505966 | Humphrey | May 1950 | A |
| 2505967 | Humphrey | May 1950 | A |
| 2561203 | Joffe | Jul 1951 | A |
| 4202256 | Brooks | May 1980 | A |
| 4763567 | Dalquist, III et al. | Aug 1988 | A |
| 5163357 | Felknor et al. | Nov 1992 | A |
| 6254268 | Long | Jul 2001 | B1 |
| 7744026 | Gregory | Jun 2010 | B2 |
| D636215 | Cloutier | Apr 2011 | S |
| 8434403 | Cloutier | May 2013 | B1 |