Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435708 | Handle assembly for an upright deep cleaner | Douglas J. Medema | 2000-12-26 |
| D420179 | Upright deep cleaner base | Douglas J. Medema | 2000-02-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435708 | Handle assembly for an upright deep cleaner | Douglas J. Medema | 2000-12-26 |
| D420179 | Upright deep cleaner base | Douglas J. Medema | 2000-02-01 |