Number | Name | Date | Kind |
---|---|---|---|
1216760 | Wuth et al. | Feb 1917 | |
1624637 | Straub et al. | Apr 1927 | |
1957580 | Delfs et al. | May 1934 | |
2938896 | Strobel et al. | May 1960 | |
3135730 | Heyna et al. | Jun 1964 | |
4191703 | Steuernagel et al. | Mar 1980 |
Number | Date | Country |
---|---|---|
297687 | Dec 1929 | GBX |
Entry |
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