Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798632 | Power frequency electromagnetic field compensation system | John J. Holmes | 2004-09-28 |
| 6765487 | Underwater detection and deterrent system | John J. Holmes | 2004-07-20 |
| 6714008 | Gradiometric measurement methodology for determining magnetic fields of large objects | John J. Holmes, Bruce Hood | 2004-03-30 |