Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198077 | Standpipe with flow restriction valve, and filter cartridge | Zemin Jiang, Wassem Abdalla, Hendrik N. Amirkhanian, Jeff Husband, Abby True-Dahl | 2021-12-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198077 | Standpipe with flow restriction valve, and filter cartridge | Zemin Jiang, Wassem Abdalla, Hendrik N. Amirkhanian, Jeff Husband, Abby True-Dahl | 2021-12-14 |