Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817055 | Method for mounting a drum as well as a drum and an axle for a brush roller | — | 2004-11-16 |
| D498569 | Profile segment for a brush roller | — | 2004-11-16 |
| 5606762 | Roller brush for a sweeping machine and method of making same | Walter Droeser | 1997-03-04 |
| 5490301 | Roller brush for sweeping machines | Walter Droeser | 1996-02-13 |