Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808234 | Cleaner assembly for air filters | Roy D. McKay, Daniel A. Winfield | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808234 | Cleaner assembly for air filters | Roy D. McKay, Daniel A. Winfield | 1989-02-28 |