Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6160763 | Towed array hydrophone | — | 2000-12-12 |
| 6070264 | Welding helmet having auto-darkening and manually adjustable lens shade control | Thomas J. Hamilton, Steven F. Kickham, David Allen Shamery | 2000-06-06 |