Number | Date | Country | Kind |
---|---|---|---|
74.34392 | Oct 1974 | FR |
Number | Name | Date | Kind |
---|---|---|---|
2841626 | Holzman et al. | Jul 1958 | |
2911357 | Myers et al. | Nov 1959 | |
3692694 | Kravitz et al. | Sep 1972 | |
3801498 | Rausch | Apr 1974 | |
3856660 | Myers | Dec 1974 | |
3892657 | Wilhelm | Jul 1975 | |
3901827 | Sinfelt et al. | Aug 1975 | |
3915846 | Wilhelm | Oct 1975 | |
3933622 | Mitchell et al. | Jan 1976 | |
3939059 | Antos | Feb 1976 |
Entry |
---|
B411,483, Jan. 1975, Sinfelt et al., 252/441 X. |