Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12031305 | Backwater flow detection method | Payk Pourzynal, Yih-Shyang Tsai | 2024-07-09 |
| 11560697 | Backwater flow detection device | Payk Pourzynal, Yih-Shyang Tsai | 2023-01-24 |
| 11460830 | Scarf repair apparatus, system, and method | Larry D. Ridgeway, Michael Lazar, Steve Morse, David J. Hengy | 2022-10-04 |