Patent Grant
D396730
| Number | Name | Date | Kind |
|---|---|---|---|
| D283154 | McKinnon | Mar 1986 | |
| D284603 | Zoignon | Jul 1986 | |
| D347048 | Davis | May 1994 | |
| 2399791 | Conroy | May 1946 | |
| 2790654 | Cox | Apr 1957 | |
| 2816781 | Woodling | Dec 1957 | |
| 2965395 | Schmohl et al. | Dec 1960 | |
| 3042737 | Brumbach et al. | Jul 1962 | |
| 3177016 | Holmgren | Apr 1965 | |
| 3246921 | Lyon et al. | Apr 1966 | |
| 3368832 | Rader | Feb 1968 | |
| 3408092 | Appleton | Oct 1968 | |
| 4156540 | Currie | May 1979 | |
| 4599784 | Canu, Jr. et al. | Jul 1986 | |
| 5240291 | Zornow | Aug 1993 |
