Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10835027 | Brush head for use with floor cleaning machine | Patrick J. Kelley, Yongxing YAN, Zhiman Zhuo | 2020-11-17 |
| 6108856 | Molded pad driver | John D. Blazek | 2000-08-29 |
| 5645365 | Coupling device for floor maintenance machines | Terrance J. Malish, John D. Blazek | 1997-07-08 |
| 5400461 | Locking coupler for floor maintenance pad | Terrance J. Malish, John D. Blazek | 1995-03-28 |