Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406549 | Method and device for cleaning shoes, wheels and all types of rollers | Viola Holtkamp, Dirk Spaltmann | 2002-06-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6406549 | Method and device for cleaning shoes, wheels and all types of rollers | Viola Holtkamp, Dirk Spaltmann | 2002-06-18 |