Patent Grant
D308411
| Number | Name | Date | Kind |
|---|---|---|---|
| D186645 | Benjamin | Nov 1959 | |
| D202490 | Bishop | Oct 1965 | |
| 300643 | Rogers | Jun 1884 | |
| 1508993 | Sherman et al. | Sep 1924 | |
| 1922519 | Armstrong | Aug 1933 | |
| 1937427 | Hanlan | Nov 1933 | |
| 2140517 | Dawson | Dec 1938 | |
| 2141868 | Kenney | Dec 1938 | |
| 2474332 | Sciuto | Jun 1949 | |
| 2684268 | Hjulian | Jul 1954 | |
| 2785012 | Frewin | Mar 1957 | |
| 3001725 | Lockett | Sep 1961 | |
| 3072345 | Lennon | Jan 1963 | |
| 3102691 | Gall | Sep 1963 | |
| 3746262 | Bete et al. | Jul 1973 | |
| 4129257 | Eggert | Dec 1978 |
