Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12376720 | Agitator with debrider and hair removal | Daniel R. DER MARDEROSIAN, John Freese, Gordon Howes, Wenxiu Gao, David Stephen Clare +5 more | 2025-08-05 |
| 11925303 | Agitator with debrider and hair removal | Daniel R. DER MARDEROSIAN, John Freese, Gordon Howes, Wenxiu Gao, David Stephen Clare +5 more | 2024-03-12 |
| D1005690 | Brush roll | Nicholas James Sardar, Daniel R. DER MARDEROSIAN, Wenxiu Gao, Ian Ernan Liu, John Freese | 2023-11-28 |
| 11672393 | Cleaning apparatus with selectable combing unit for removing debris from cleaning roller | John Freese, Nicholas James Sardar | 2023-06-13 |
| 11633764 | Cleaning apparatus with anti-hair wrap management systems | Andre D. Brown, Charles S. Brunner | 2023-04-25 |
| 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 |
| 10925447 | Agitator with debrider and hair removal | Daniel R. DER MARDEROSIAN, John Freese, Gordon Howes, Wenxiu Gao, David Stephen Clare +5 more | 2021-02-23 |