Number | Name | Date | Kind |
---|---|---|---|
4044829 | Jessup et al. | Aug 1977 | |
4047564 | Nix et al. | Sep 1977 | |
4064937 | Barrington | Dec 1977 | |
4278130 | Evans et al. | Jul 1981 | |
4422506 | Beck | Dec 1983 | |
4467870 | Langham | Aug 1984 | |
4508174 | Skinner et al. | Apr 1985 | |
4619325 | Zunkel | Oct 1986 |
Entry |
---|
Halliburton Services Sales & Service Catalog No. 43, pp. 2518-2519. |