Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11549722 | Combustion gas permeable condensation trays for water heating systems | Jeffrey Stogsdill, Qian Zhang, Govinda Mahajan | 2023-01-10 |
| 11181301 | Combustion gas permeable condensation trays for water heating systems | Jeffrey Stogsdill, Qian Zhang, Govinda Mahajan | 2021-11-23 |