Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615444 | Dirt collection system for a vacuum cleaner | David M. J. Allgeier | 2003-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6615444 | Dirt collection system for a vacuum cleaner | David M. J. Allgeier | 2003-09-09 |