Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124291 | Trench spanning modules in a biofilter floor assembly | Jeffrey A. Hallsten, Ronald Kuehne | 2018-11-13 |
| 4827859 | Boat | — | 1989-05-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10124291 | Trench spanning modules in a biofilter floor assembly | Jeffrey A. Hallsten, Ronald Kuehne | 2018-11-13 |
| 4827859 | Boat | — | 1989-05-09 |