Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11879640 | Combustion air proving apparatus with burner cut-off capability and method of performing the same | Charles Feldman | 2024-01-23 |
| 11428407 | Combustion air proving apparatus with burner cut-off capability and method of performing the same | Charles Feldman | 2022-08-30 |