Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922009 | Electric lamp | Wiktor Plawski, Dariusz Mrowka | 2005-07-26 |
| 4565944 | Electric lamp | Johannes H. H. Beurskens | 1986-01-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6922009 | Electric lamp | Wiktor Plawski, Dariusz Mrowka | 2005-07-26 |
| 4565944 | Electric lamp | Johannes H. H. Beurskens | 1986-01-21 |