Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10624516 | Device and method for detecting cleaning work which has been performed | — | 2020-04-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10624516 | Device and method for detecting cleaning work which has been performed | — | 2020-04-21 |