Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602410 | Guide vane ring for a return flow passage in axial fans and a method of producing it | Torvald Holmkvist | 1986-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602410 | Guide vane ring for a return flow passage in axial fans and a method of producing it | Torvald Holmkvist | 1986-07-29 |