Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945602 | Adjustable frame automatic floor cleaning machine | Albert Kohl | 1990-08-07 |
| 4922572 | Drivable automatic floor cleaning machine | Albert Kohl | 1990-05-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4945602 | Adjustable frame automatic floor cleaning machine | Albert Kohl | 1990-08-07 |
| 4922572 | Drivable automatic floor cleaning machine | Albert Kohl | 1990-05-08 |