Number | Name | Date | Kind |
---|---|---|---|
2698173 | Rydell | Dec 1954 | |
2767979 | Hummert | Oct 1956 | |
4521993 | Tacheny et al. | Jun 1985 | |
4553656 | Lense | Nov 1985 | |
5097629 | Guhl et al. | Mar 1992 | |
5179803 | Lense | Jan 1993 | |
5205074 | Guhl et al. | Apr 1993 |
Number | Date | Country |
---|---|---|
1351096 | Dec 1963 | FRX |
186760 | Jun 1907 | DEX |
824752 | Nov 1951 | DEX |
9003179 | Jul 1990 | DEX |
324587 | Nov 1957 | CHX |
1132744 | Nov 1968 | GBX |
Entry |
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English translation of German Patent 186,670. |
English translation of German Patent 824,752. |
English translation of German Utility Model No. 90 03 179.2. |
English translation of Swiss Patent 324,587. |