Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865720 | Debris separator system | — | 1989-09-12 |
| 4824559 | Rotary air separator | John Makin | 1989-04-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865720 | Debris separator system | — | 1989-09-12 |
| 4824559 | Rotary air separator | John Makin | 1989-04-25 |