Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4555947 | Method and apparatus for the measurement of fluid flow velocities | — | 1985-12-03 |
| 4351122 | System for controlling the position of the drag pipe of a dredge | Christiaan A. Cornelis | 1982-09-28 |