Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022114 | Device for suctioning up and removing a contaminated liquid | Horst Kauffeldt | 1991-06-11 |
| 4756048 | Device for cleaning large-area textile coverings especially carpets and carpeted floors | Horst Kauffeldt | 1988-07-12 |