Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9320409 | Autonomous floor cleaning with removable pad | Ping-Hong Lu, Joseph M. Johnson, Sr., Marcus Williams, Andrew Graziani | 2016-04-26 |
| 9265396 | Autonomous floor cleaning with removable pad | Ping-Hong Lu, Joseph M. Johnson, Sr., Marcus Williams, Andrew Graziani | 2016-02-23 |