Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4461945 | Filter leaf and method and apparatus for making same | Hugh T. Edwards, Jr. | 1984-07-24 |
| 4446352 | Filter leaf | Hugh T. Edwards, Jr. | 1984-05-01 |
| 4332680 | Filter sluicing apparatus | — | 1982-06-01 |
| 4255262 | Hydraulic powered mixing apparatus | Carroll C. Bunker | 1981-03-10 |