Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10171892 | System and method for monitoring water level on a roof | John Petrachek, Jiang Li, Jianbin Xiao | 2019-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10171892 | System and method for monitoring water level on a roof | John Petrachek, Jiang Li, Jianbin Xiao | 2019-01-01 |