Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337013 | Removable filter with jack sealing device and vacuum cleaning heads | Robert Koopmans | 2002-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337013 | Removable filter with jack sealing device and vacuum cleaning heads | Robert Koopmans | 2002-01-08 |