Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693836 | Filter apparatus with bypass prevention | — | 1987-09-15 |
| 4571302 | Relieving pressure differential in vacuum filter | — | 1986-02-18 |
| 4396505 | Filtration system pump arrangement | Thomas C. Adams | 1983-08-02 |