Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9251983 | Depth-activated sensor switch and method | — | 2016-02-02 |
| 7382689 | Flexible hydrophone | Michael Maples, James Spackman, Curtis Woods Belknap, Robert Foertsch | 2008-06-03 |