Number | Name | Date | Kind |
---|---|---|---|
RE16674 | Chance | Jul 1927 | |
1559938 | Chance | Nov 1925 | |
2516962 | Davis | Aug 1950 | |
2624461 | Falconer | Jan 1953 | |
2696300 | Maust | Dec 1954 | |
2700466 | Logue et al. | Jan 1955 | |
2760633 | Davis | Aug 1956 | |
2795331 | Dovy | Jun 1957 | |
2798606 | Dru | Jul 1957 | |
2843266 | Matthews | Jul 1958 | |
2889043 | Dru | Jun 1959 | |
3011637 | Felsch et al. | Dec 1961 | |
3019900 | Lagrost | Feb 1962 | |
3101312 | Brinkmann | Aug 1963 | |
3807558 | Hamm | Apr 1974 | |
4055487 | Moori | Oct 1977 |
Number | Date | Country |
---|---|---|
547620 | Oct 1957 | CAX |
1141248 | Aug 1957 | FRX |
1355641 | Feb 1964 | FRX |
288588 | Jun 1963 | ESX |
303278 | Sep 1964 | ESX |
308886 | Mar 1965 | ESX |
309116 | Apr 1965 | ESX |
155765 | Dec 1961 | SUX |
Entry |
---|
"Separador Conico-Helicoidal", Sales Brochure of Tuya of Leon, Spain. |