Patent Grant
D378389
| Number | Name | Date | Kind |
|---|---|---|---|
| D240055 | Spivey, II | May 1976 | |
| D251514 | Spivey, II | Apr 1979 | |
| D268854 | Benedict | May 1983 | |
| D319086 | Hughes | Aug 1991 | |
| D360899 | Choi | Aug 1995 | |
| 622663 | Brighton | Apr 1899 | |
| 645919 | Holmes | Mar 1900 | |
| 716464 | Nelson | Dec 1902 | |
| 820017 | Russell | May 1906 | |
| 1582104 | Voelker | Apr 1926 | |
| 2121550 | Collins | Sep 1938 | |
| 2961239 | von Arnhem | Nov 1960 | |
| 3148883 | Ruderian | Sep 1964 | |
| 3921978 | Warren | Nov 1975 | |
| 4789161 | Waskelo | Dec 1988 | |
| 5123656 | Green | Jul 1992 | |
| 5253874 | Hoffman | Oct 1993 |
