Number | Date | Country | Kind |
---|---|---|---|
96200333 | Feb 1996 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
3028615 | Helm | Apr 1962 | |
3808036 | Zdanowski | Apr 1974 | |
3900438 | Zdanowski et al. | Aug 1975 | |
3926893 | Woodward | Dec 1975 | |
4013607 | Dwyer et al. | Mar 1977 | |
4017662 | Gehman et al. | Apr 1977 | |
4046726 | Meiner et al. | Sep 1977 | |
4376175 | Posten | Mar 1983 | |
4537802 | Flanagan | Aug 1985 | |
4690779 | Baker et al. | Sep 1987 | |
4778524 | Chapin | Oct 1988 | |
5191002 | Davis | Mar 1993 | |
5385064 | Ainslie | Jan 1995 |
Number | Date | Country |
---|---|---|
215 451 | Sep 1986 | EPX |
1 063 758 | Mar 1967 | GBX |
9422996 | Oct 1994 | WOX |
Entry |
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European Search Report for PCT/US94/00907. |