Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485681 | Process for manufacturing thin pipes | Rolf Schattevoy, Klaus Hummert | 2002-11-26 |
| 6136106 | Process for manufacturing thin pipes | Rolf Schattevoy, Klaus Hummert | 2000-10-24 |
| 6086819 | Process for manufacturing thin-walled pipes | Rolf Schattevoy, Klaus Hummert, Dirk Ringhand | 2000-07-11 |
| 6030577 | Process for manufacturing thin pipes | Rolf Schattevoy, Klaus Hummert | 2000-02-29 |