Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634440 | Tool for the removal of a drill core | Matthaus Hoop | 2003-10-21 |
| 6601510 | Devices for cleaning a roller | Horst Bernhard Michalik | 2003-08-05 |
| 6561095 | Device for cleaning a roller | Horst Bernhard Michalik | 2003-05-13 |
| 6544160 | Former | Horst Bernhard Michalik, Wolfgang Günter Ruckmann | 2003-04-08 |