Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8037932 | Pipe handling device and safety mechanism | Matthew Brown, Per Angman | 2011-10-18 |
| 7673675 | Pipe handling device and safety mechanism | Matthew Brown, Per Angman | 2010-03-09 |
| 7270189 | Top drive assembly | Matthew Brown | 2007-09-18 |