Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161137 | Sprinkler with locking mechanism and removable nozzle strip | Ha Van Duong, Chunfu Zhou, Robert W. Lauer | 2021-11-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161137 | Sprinkler with locking mechanism and removable nozzle strip | Ha Van Duong, Chunfu Zhou, Robert W. Lauer | 2021-11-02 |