Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11284759 | Edge cleaning brushes for floor cleaner | James T. Hotary, Chris J. Harmelink, John Joseph Bleau, Qian Yu Zhang, Christopher L. Hogg | 2022-03-29 |
| 11241134 | Surface cleaning apparatus | Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Kam Hoi Ma | 2022-02-08 |