Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494270 | Vacuum cleaner wand | William P. Ritzau, Gene Fleischer | 1985-01-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4494270 | Vacuum cleaner wand | William P. Ritzau, Gene Fleischer | 1985-01-22 |