Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222591 | Rotary pipe and fixed channel auger with intermediate outer supporting elements | Roberto Bertola | 1993-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5222591 | Rotary pipe and fixed channel auger with intermediate outer supporting elements | Roberto Bertola | 1993-06-29 |