Number | Name | Date | Kind |
---|---|---|---|
4256299 | Hogenson | Mar 1981 | |
4322069 | Mitchell | Mar 1982 | |
4373713 | Loebach | Feb 1983 | |
4691914 | Lawrence | Sep 1987 | |
4729282 | Kasdorf | Mar 1988 | |
4890826 | Rutishauser | Jan 1990 | |
4930383 | Köbler | Jun 1990 | |
5064180 | Wingate | Nov 1991 | |
5538242 | Doucet | Jul 1996 | |
5702100 | Novick et al. | Dec 1997 |
Number | Date | Country |
---|---|---|
0 297 282 B1 | Jan 1989 | EP |
0 436 404 A2 | Jul 1991 | EP |
0048151 | Apr 1980 | JP |
0143162 | Jun 1988 | JP |
0300058 | Dec 1990 | JP |
403227870 | Oct 1991 | JP |
Entry |
---|
European Search Report issued Aug. 14, 2000. |