Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7505364 | Underwater navigation by aided light sensor | — | 2009-03-17 |
| 5762064 | Medical magnetic positioning system and method for determining the position of a magnetic probe | — | 1998-06-09 |
| 5444669 | Magnetic relative position measuring system | — | 1995-08-22 |
| 5425001 | Navigation system for an underwater vehicle | — | 1995-06-13 |
| 5357437 | Magnetic marker position fixing system for underwater vehicles | — | 1994-10-18 |
| 5331276 | Apparatus for passively measuring the velocity of a ferrous vehicle along a path of travel | David G. Ellerbrake | 1994-07-19 |
| 4766385 | Underwater buried mine classifier | — | 1988-08-23 |