Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109151 | Method and device for position exact and dimension exact chamfering of a pipe end | Gerhard Mohn | 2000-08-29 |
| 5894771 | Pipe cutting machine and process for cutting pipe pieces from a pipe blank | Gerhard Mohn | 1999-04-20 |
| 5778744 | Method and device for position-exact and dimension-exact chamfering of a pipe end | Gerhard Mohn | 1998-07-14 |