Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4191504 | Duct-mounted turbine and method of installing the same | Josef Krenn | 1980-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4191504 | Duct-mounted turbine and method of installing the same | Josef Krenn | 1980-03-04 |