Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630233 | Device for freshening exhaust from vacuum cleaners | John P. Levandowski | 2003-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630233 | Device for freshening exhaust from vacuum cleaners | John P. Levandowski | 2003-10-07 |