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Patent applications and USPTO patent grants for Lancaster; Charles E..The latest application filed is for "open hole casing run perforating tool".
Patent | Date |
---|---|
Open Hole Casing Run Perforating Tool App 20150007994 - Lancaster; Charles E. ;   et al. | 2015-01-08 |
Packer for wellhead repair unit Grant 5,009,265 - Bailey , et al. April 23, 1 | 1991-04-23 |
Methods and apparatus for massaging the spinal area and adjacent muscles Grant 4,699,126 - Lancaster October 13, 1 | 1987-10-13 |
Annular electrical contact apparatus for use in drill stem testing Grant 4,541,481 - Lancaster September 17, 1 | 1985-09-17 |
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