Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D386845 | Vacuum cleaner conversion arrangement | Richard A. Wareham | 1997-11-25 |
| 5681363 | Vacuum cleaner filter shaker | Deborah R. Tucker, Jeffrey S. Louis | 1997-10-28 |
| D382682 | Vacuum cleaner | Richard A. Wareham | 1997-08-19 |