Number | Name | Date | Kind |
---|---|---|---|
2848108 | Brastad et al. | Aug 1958 | |
3322275 | Breakiron et al. | May 1967 | |
3720312 | Shook et al. | Mar 1973 | |
4116822 | Webb | Sep 1978 | |
4226703 | Stout | Oct 1980 | |
4325820 | Whitlock | Apr 1982 | |
4849099 | Knoll et al. | Jul 1989 |
Entry |
---|
FMC Corporation Catalog, 1983 (pp. E-9 and E-12). |