Patent Grant
D310706
| Number | Name | Date | Kind |
|---|---|---|---|
| D141730 | Baur | Jul 1945 | |
| D152326 | Cissell | Jan 1949 | |
| D155508 | Heimburger | Oct 1949 | |
| D180486 | Koeppel | Jun 1957 | |
| D185945 | Rosenkranz | Aug 1959 | |
| D221547 | Kieres | Aug 1971 | |
| D234053 | Raffler et al. | Jan 1975 | |
| 1825864 | Harter | Oct 1931 | |
| 2523084 | Adragna | Sep 1950 | |
| 2567176 | Ballard | Sep 1951 | |
| 2844408 | Dickmann et al. | Jul 1958 | |
| 2852310 | Franeis | Sep 1958 | |
| 2883117 | Nelson | Apr 1959 | |
| 3006560 | Rosenkranz | Oct 1961 | |
| 4080497 | Rosenberger | Apr 1978 |
