Patent Grant
D369572
| Number | Name | Date | Kind |
|---|---|---|---|
| D9231 | Kane | Apr 1876 | |
| D11755 | Busteed | Apr 1880 | |
| D35688 | Welch | Feb 1902 | |
| D99693 | Babcock | May 1936 | |
| D127448 | Coller | May 1941 | |
| D135541 | Smith | Apr 1943 | |
| D161937 | Kelly | Feb 1951 | |
| D165799 | Stedman | Jan 1952 | |
| D201974 | Bell | Aug 1965 | |
| D239575 | Powell, Jr. | Apr 1976 | |
| 682950 | McNeal | Sep 1901 | |
| 895116 | Shepard et al. | Aug 1908 | |
| 2425874 | Gray | Aug 1947 | |
| 2605893 | Leavitt | Aug 1952 | |
| 2894748 | Curtis | Jul 1959 | |
| 3161351 | Lerner | Dec 1964 | |
| 4026309 | Howard | May 1977 |
