Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4898495 | Method and apparatus to control a beach at an inlet and to maintain the beach | — | 1990-02-06 |
| 4850225 | Measuring vibrational frequency of vibratable pins | Wayne Chen | 1989-07-25 |