Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786677 | Channel or pipe system, method for sanitizing a channel or pipe system and for installing a cable or a reserve conduit and device for installing a cable or a reserve conduit | Lothar Finzel, Klaus-Dieter Schmager | 2004-09-07 |