Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5402850 | Methods of using reverse circulating tool in a well borehole | H. Madeley, Jr. | 1995-04-04 |
| 5176208 | Reverse circulation tool handling cuttings and debris | Milton H. Madeley, Jr. | 1993-01-05 |
| 5054555 | Tension-actuated mechanical detonating device useful for detonating downhole explosive | W. Keith Acker | 1991-10-08 |