Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7719143 | Apparatus for providing an auxiliary electrical outlet | — | 2010-05-18 |
| 7252150 | Downhole tool | Andrew McPherson Downie, Edward D. Scott | 2007-08-07 |
| 5513714 | Stabilization devices for drill motors | Andrew McPherson Downie | 1996-05-07 |