Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8008921 | Surveying using vertical electromagnetic sources that are towed along with survey receivers | David Alumbaugh, H. Frank Morrison, Martin Howlid, James Brady, Leendert Combee +2 more | 2011-08-30 |
| 7884612 | Multi-component field sources for subsea exploration | Ugo Conti, David Alumbaugh, Martin Howlid, Leendert Combee, Kevin Eyl | 2011-02-08 |