Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692262 | Mulching impeller for lawn and garden mulching blower-vacuum | David Joseph Haupt | 1997-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5692262 | Mulching impeller for lawn and garden mulching blower-vacuum | David Joseph Haupt | 1997-12-02 |