Patent applications and USPTO patent grants for Burroughs; Thomas C..The latest application filed is for "combined washover and retrieval device".
Patent | Date |
---|---|
Combined washover and retrieval device Grant 5,887,925 - Arterbury , et al. March 30, 1 | 1999-03-30 |
Lubricating means for marine steering system Grant 5,443,407 - Burroughs August 22, 1 | 1995-08-22 |
Wash tool for well having perforated casing Grant 4,815,538 - Burroughs March 28, 1 | 1989-03-28 |
Method and apparatus for gravel packing a well Grant 4,635,725 - Burroughs January 13, 1 | 1987-01-13 |
Well Bore Circulating Tool Including Positioning Method By Casing Annulus Fluid Stretching Tubing String Grant 3,648,777 - Arterbury , et al. March 14, 1 | 1972-03-14 |
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