Patent Grant
D374952
| Number | Name | Date | Kind |
|---|---|---|---|
| D042061 | Quebe | Dec 1911 | |
| D234144 | Fassauer | Jan 1975 | |
| D334635 | Wenstrand | Apr 1993 | |
| 1226594 | Pruefert | May 1917 | |
| 1469340 | Shortell | Oct 1923 | |
| 1785921 | Thompson et al. | Dec 1930 | |
| 2702528 | Lehmann | Feb 1955 | |
| 2808028 | Landgraf | Oct 1957 | |
| 3203397 | Henry | Aug 1965 | |
| 5218926 | Wenstrand | Jun 1993 |
