Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11503968 | System and method for reducing noise and/or vibration in a cleaning apparatus with combing unit for removing debris | John Freese, Wenxiu Gao, Ian Ernan Liu, Nicholas James Sardar | 2022-11-22 |
| D955115 | Brush roll | Nicholas James Sardar, Daniel R. DER MARDEROSIAN, Wenxiu Gao, Ian Ernan Liu, John Freese | 2022-06-21 |
| 11247245 | Cleaning apparatus with anti-hair wrap management systems | Andre D. Brown, Charles S. Brunner | 2022-02-15 |