Patent Grant
D412834
| Number | Name | Date | Kind |
|---|---|---|---|
| D179545 | McDaniel | Jan 1957 | |
| D230570 | Hall | Mar 1974 | |
| D289609 | Bauwens et al. | May 1987 | |
| 817890 | Williams | Apr 1906 | |
| 878182 | Blake | Feb 1908 | |
| 1531245 | Ozanne | Mar 1925 | |
| 2804767 | Schoen | Sep 1957 | |
| 2808926 | Drake et al. | Oct 1957 | |
| 2930063 | Stull | Mar 1960 | |
| 2943338 | Lower | Jul 1960 | |
| 3116152 | Smith | Dec 1963 | |
| 3949871 | Christensen et al. | Apr 1976 | |
| 3963357 | Crisp | Jun 1976 | |
| 4570834 | Ward | Feb 1986 | |
| 4872778 | Longo | Oct 1989 | |
| 5156303 | Yamamoto et al. | Oct 1992 | |
| 5228593 | O'Meara | Jul 1993 | |
| 5379898 | Joulia | Jan 1995 |
