Number | Date | Country | Kind |
---|---|---|---|
9722383 | Oct 1997 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
RE34071 | Van Bilderbeek | Sep 1992 | |
2097615 | Burns et al. | Nov 1937 | |
3093996 | Jones | Jun 1963 | |
3177703 | Waters et al. | Apr 1965 | |
4090395 | Dixon et al. | May 1978 | |
4408783 | Gruller | Oct 1983 | |
4458521 | Pillette | Jul 1984 | |
4465134 | Watkins | Aug 1984 | |
4653589 | Alandy | Mar 1987 | |
4842082 | Springer | Jun 1989 | |
4982795 | King | Jan 1991 | |
5706894 | Hawkins, III | Jan 1998 | |
5735344 | Duncan | Apr 1998 |
Number | Date | Country |
---|---|---|
621357 | Jan 1961 | CAX |
0 251 595 | Jan 1988 | EPX |
824813 | Dec 1959 | GBX |
1 171 201 | Nov 1969 | GBX |
2 257 995 | Jan 1993 | GBX |
Entry |
---|
Ringfeder brochure, Nov. 1993. |