Number | Name | Date | Kind |
---|---|---|---|
D307842 | Bieganski | May 1990 | |
876282 | Parmenter | Jan 1908 | |
3849949 | Steinhauser et al. | Nov 1974 | |
4551902 | Thibaut | Nov 1985 | |
4712289 | Stamm et al. | Dec 1987 | |
5377455 | Lanzer | Jan 1995 |
Number | Date | Country |
---|---|---|
2 636 591 | Sep 1988 | FRX |
WO 9638264 | Dec 1996 | WOX |
Entry |
---|
U.S. application No. 09/097,420, filed Jun. 15, 1998. |