Patent Grant
D304523
| Number | Name | Date | Kind |
|---|---|---|---|
| 1211730 | Lucas | Jan 1917 | |
| 1374333 | Stotler et al. | Apr 1921 | |
| 1413068 | Stotler et al. | Apr 1922 | |
| 1630941 | Hood | May 1927 | |
| 1782217 | Stoddard | Nov 1930 | |
| 2287907 | Schettler | Jun 1942 | |
| 2464866 | Holtz | Mar 1949 | |
| 2486067 | Schroeder | Oct 1949 | |
| 2490296 | Fournier | Dec 1949 | |
| 2498203 | Fischer | Feb 1950 | |
| 2561637 | Rex | Jul 1951 | |
| 2569937 | Lindgren | Oct 1951 | |
| 2607052 | Le Roy | Aug 1952 | |
| 2617999 | Mitchell | Nov 1952 | |
| 2629110 | Fournier | Feb 1953 | |
| 2659903 | Hagelfeldt | Nov 1953 | |
| 2784420 | Moltane | Mar 1957 | |
| 2901755 | Wood, Jr. | Sep 1959 | |
| 2942750 | Neely | Jun 1960 | |
| 3091249 | O'Neil | May 1963 | |
| 3165760 | Abajian | Jan 1965 | |
| 3183528 | Jacobs et al. | May 1965 | |
| 3430273 | Stillwaugh | Mar 1969 | |
| 3605139 | Lorentz, Jr. | Sep 1971 | |
| 3789439 | Berg et al. | Feb 1974 | |
| 3924280 | Vaiano | Dec 1975 | |
| 4008497 | Bader | Feb 1977 | |
| 4008499 | Wren, Jr. et al. | Feb 1977 | |
| 4044411 | Peterson | Aug 1977 | |
| 4069524 | Carlo | Jan 1978 | |
| 4070716 | Satt et al. | Jan 1978 | |
| 4073017 | Stevens | Feb 1978 | |
| 4186454 | Cone | Feb 1980 | |
| 4202065 | Sullivan | May 1980 | |
| 4357735 | Saints et al. | Nov 1982 | |
| 4376318 | Cirillo | Mar 1983 | |
| 4538309 | Gunter | Sep 1985 | |
| 4573224 | Saint | Mar 1986 | |
| 4688280 | Kohus et al. | Aug 1987 | |
| 4703525 | Shamie | Nov 1987 |
