Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5429684 | Water-based carpet cleaning composition and method | Rainer Osberghaus, Karl-Heinz Rogmann, Ansgar Behler | 1995-07-04 |
| 4961242 | Wet mop head for floor mop | Franz Kresse, Rainer Osberghaus, Bernfrid Scheller, Roland Schunter | 1990-10-09 |