Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4747945 | Lightweight media depth filter | John Scanlan | 1988-05-31 |
| 4534867 | System for removing iron and/or other chemically reducing substances from potable water | Bruce F. Brodzik | 1985-08-13 |