Number | Date | Country | Kind |
---|---|---|---|
97004907 | Jan 1997 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
4067238 | Oetiker | Jan 1978 | |
4765190 | Strubbe | Aug 1988 | |
5343761 | Myers | Sep 1994 | |
5495773 | Olesen | Mar 1996 | |
5752545 | Vienneau et al. | May 1998 | |
5763652 | Strubbe | Apr 1998 | |
5837906 | Palmer | Nov 1998 |
Entry |
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European Patent Application 9601889.1. |