Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8022340 | Attaching unit and knob for a heating unit of a cigar lighter | Ronald Schwarzbach, Norbert Graeser | 2011-09-20 |
| 7461959 | Cigarette lighter | Ronald Schwarzbach, Norbert Graeser | 2008-12-09 |