Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |