Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9111744 | High-pressure discharge lamp with starting aid | Thomas Brauner, Johannes Buttstaedt | 2015-08-18 |
| 8659226 | High-pressure discharge lamp having an ignition aid | Thomas Brauner, Johannes Buttstaedt | 2014-02-25 |
| 7977854 | Component for an electric lamp with outer bulb | Karen Twesten | 2011-07-12 |