Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942638 | Hand-guided, mobile cleaning machine | — | 1990-07-24 |
| 4741069 | Mobile wet cleaning machine | Dieter Thiel | 1988-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942638 | Hand-guided, mobile cleaning machine | — | 1990-07-24 |
| 4741069 | Mobile wet cleaning machine | Dieter Thiel | 1988-05-03 |