Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431607 | Telescopable vacuum-cleaner suction pipe | Gotthard Kittelmann, Jurgen Schiemann | 2002-08-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431607 | Telescopable vacuum-cleaner suction pipe | Gotthard Kittelmann, Jurgen Schiemann | 2002-08-13 |