Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274826 | Delayed ignition prevention in a multi-ring gas burner for a cooktop appliance | David William Billman | 2022-03-15 |
| 11262070 | Closed-loop simmer with a gas burner | David William Billman, Michael Blum | 2022-03-01 |