Issued Patents 2019
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10441121 | Portable surface cleaning apparatus | Wayne Ernest Conrad, Sam Liu, Amy M. Kwok | 2019-10-15 |
| 10426302 | Hand carryable surface cleaning apparatus | Andre D. Brown, Wayne Ernest Conrad, Nina Conrad, Lee M. Cottrell, Dave Petersen +1 more | 2019-10-01 |
| 10413144 | Vacuum cleaner attachment with floating cleaning element and surface cleaning apparatus including the same | Brian Burke, William Liberis, Charlie Cai, Peter Hutchinson, Andre D. Brown +2 more | 2019-09-17 |
| 10405710 | Portable surface cleaning apparatus | Wayne Ernest Conrad, Sam Liu, Amy M. Kwok | 2019-09-10 |
| 10327610 | Hand carryable surface cleaning apparatus | Andre D. Brown, Wayne Ernest Conrad, Nina Conrad, Lee M. Cottrell, Dave Petersen +1 more | 2019-06-25 |
| D849345 | Roller cleaning unit | Yao Ming, Daniel R. DER MARDEROSIAN, Daniel Meyer, Patrick Clearly, Gordon Howes +2 more | 2019-05-21 |
| 10244906 | Hand carryable surface cleaning apparatus | Andre D. Brown, Wayne Ernest Conrad, Nina Conrad, Lee M. Cottrell, Dave Petersen +1 more | 2019-04-02 |
| 10238249 | Hand carryable surface cleaning apparatus | Andre D. Brown, Wayne Ernest Conrad, Nina Conrad, Lee M. Cottrell, Dave Petersen +1 more | 2019-03-26 |