Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164086 | Rotary filter with external adjustment of blowback valve | Lester A. Klein | 1992-11-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164086 | Rotary filter with external adjustment of blowback valve | Lester A. Klein | 1992-11-17 |