Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639516 | Method for making a gas diffusion electrode | Paul Dirven | 1997-06-17 |
| 5561000 | Gas diffusion electrode with catalyst for an electrochemical cell with solid electrolyte and method for making such an electrode | Paul Dirven | 1996-10-01 |
| 4234818 | Electric mixed light lamp | — | 1980-11-18 |