Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10418965 | Positioning method and apparatus | KAI HUANG, Xingong Xu, Rui Hao, Yuhao Fu | 2019-09-17 |
| 10232387 | Pressure regulating nozzle assembly with flow control ring | Carl L. C. Kah, Jr., Carl L. C. Kah, III | 2019-03-19 |
| 10220405 | Sprinkler flow stop and pressure regulator combination | Carl L. C. Kah, Jr., Carl L. C. Kah, III, Richard Zhang | 2019-03-05 |