Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6363574 | Vacuum cleaner | Michael Worden, Curt J. Schulze, Jon Brigner | 2002-04-02 |
| 6219880 | Vacuum cleaner | Michael Worden, Curt J. Schulze, Jon Brigner | 2001-04-24 |
| D422386 | Vacuum cleaner | Philip Jaros, Donald W. Zurwelle, Jeffrey J. Baker, Jon Brigner, Robert J. Eukovich +3 more | 2000-04-04 |
| 5594975 | Adjustable tool handle | — | 1997-01-21 |