Patent Grant
D301190
| Number | Name | Date | Kind |
|---|---|---|---|
| D128802 | Scheinfield | Nov 1940 | |
| D156448 | Marbreit | Nov 1948 | |
| D287196 | Ryder-Smith | Dec 1986 | |
| 1976449 | Lorenz | Oct 1934 | |
| 2125985 | Bond | Aug 1938 | |
| 2158225 | Elmore | Mar 1938 | |
| 2502857 | Kipp | Apr 1950 | |
| 2600944 | Sam | Jun 1952 | |
| 3069204 | Vesterholt | Dec 1962 | |
| 3387887 | Jakobsen | Jun 1968 | |
| 3594041 | Rye | Jul 1971 | |
| 3656808 | Chang | Jun 1970 | |
| 3774960 | Blodee | Nov 1973 |
