Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437788 | Backwashing filter assembly | Stephen A. Geibel | 1995-08-01 |
| 4904380 | Precoat filter assembly | John D. Miller | 1990-02-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5437788 | Backwashing filter assembly | Stephen A. Geibel | 1995-08-01 |
| 4904380 | Precoat filter assembly | John D. Miller | 1990-02-27 |