Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988212 | Connecting unit having a gas pressure regulating apparatus mounted between a gas cylinder and a gas burner apparatus | Hans-Rudolf Drayer | 1999-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5988212 | Connecting unit having a gas pressure regulating apparatus mounted between a gas cylinder and a gas burner apparatus | Hans-Rudolf Drayer | 1999-11-23 |