Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872337 | Nondestructive testing of gears | Robert John Watts, John A. Neun | 1989-10-10 |
| 4824656 | Method of recovering sulfur from solid catalysts | Alexander May | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872337 | Nondestructive testing of gears | Robert John Watts, John A. Neun | 1989-10-10 |
| 4824656 | Method of recovering sulfur from solid catalysts | Alexander May | 1989-04-25 |