Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7642784 | Electromagnetic survey system with multiple sources | Philip Heelan | 2010-01-05 |
| 7411399 | Electromagnetic survey system with multiple sources | Philip Heelan | 2008-08-12 |