Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35676 | Sludge collector flight | — | 1997-12-02 |
| 5620601 | Wear strip assembly for use in a waste water treatment facility | John C. Lodholz | 1997-04-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35676 | Sludge collector flight | — | 1997-12-02 |
| 5620601 | Wear strip assembly for use in a waste water treatment facility | John C. Lodholz | 1997-04-15 |