Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888209 | Catalytic process and systems | — | 1989-12-19 |
| 4854786 | Computer controlled automatic shift drill | Robert H. Alexander, Thomas M. Osmer | 1989-08-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888209 | Catalytic process and systems | — | 1989-12-19 |
| 4854786 | Computer controlled automatic shift drill | Robert H. Alexander, Thomas M. Osmer | 1989-08-08 |