Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9829186 | Semiconductor lamp with rearward base region | Roland Becht | 2017-11-28 |
| 8222812 | Electric lamp with an outer bulb and a built-in lamp and associated production method | Roland Becht | 2012-07-17 |