Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869770 | Method and apparatus for laminating composite materials | Dale E. Hartz | 1989-09-26 |
| 4816727 | Vibratory interference sensor | G. Dudley Shepard, I. Stuart Smith, Xiaochuan Lu | 1989-03-28 |
| 4804896 | Vibratory interference sensor | G. Dudley Shepard, I. Stuart Smith, Richard Lu | 1989-02-14 |