Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637371 | Fuel-operated heating system, particularly an auxiliary heater for a vehicle | — | 1987-01-20 |
| 4543943 | Heater fired with liquid fuel | Reinhold Gruber | 1985-10-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4637371 | Fuel-operated heating system, particularly an auxiliary heater for a vehicle | — | 1987-01-20 |
| 4543943 | Heater fired with liquid fuel | Reinhold Gruber | 1985-10-01 |