Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6270289 | Process and device for rehabilitating pipes | Gerhard Einhaus | 2001-08-07 |
| 6227764 | Pipe rehabilitation system and method for introducing a lining hose from a sewer main into a service pipe | Gerhard Einhaus | 2001-05-08 |
| 5609439 | Method of and apparatus for repairing and sealing junctions between mains and branch pipes | Hermann Suerbaum | 1997-03-11 |
| 4553483 | Worktable, especially office table | Arno Votteler, Max Lanuzzi, Fredi Dubach | 1985-11-19 |
| 4479030 | Free standing supply column, especially for offices | Arno Votteler, Max Danuzzi, Fredi Dubach | 1984-10-23 |