Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4509913 | Device for controlling the air supply for a gas burner | Werner Lorenz, Hans Sommers | 1985-04-09 |
| 4396371 | Device for controlling the air supply to a gas burner | Werner Lorenz, Hans Sommers | 1983-08-02 |