Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9324555 | Amalgam spheres for energy-saving lamps and their production | Georg Ptaschek | 2016-04-26 |
| 8497622 | Amalgam spheres for energy-saving lamps and the manufacture thereof | Georg Ptaschek | 2013-07-30 |