Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951866 | Cold climate wetland waste water treatment system | John F. Aldrich | 1999-09-14 |
| 5744041 | Biological treatment process | — | 1998-04-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5951866 | Cold climate wetland waste water treatment system | John F. Aldrich | 1999-09-14 |
| 5744041 | Biological treatment process | — | 1998-04-28 |