Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11957286 | Autonomous floor cleaning with a removable pad | Ping-Hong Lu, Marcus Williams, Joe Johnson, Andrew Graziani | 2024-04-16 | $1,018,000 |
| 11324376 | Autonomous floor cleaning with a removable pad | Ping-Hong Lu, Marcus Williams, Joe Johnson, Andrew Graziani | 2022-05-10 | $6,167,000 |
| 10499783 | Autonomous floor cleaning with a removable pad | Ping-Hong Lu, Marcus Williams, Joe Johnson, Andrew Graziani | 2019-12-10 | $7,393,000 |
| 9907449 | Autonomous floor cleaning with a removable pad | Ping-Hong Lu, Marcus Williams, Joe Johnson, Andrew Graziani | 2018-03-06 | $12,445,000 |