Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192218 | Lampholder assembly | — | 1993-03-09 |
| 4643504 | Lampholder assembly for loop-, u- or pi-shaped gas discharge or fluorescent lamps with a single lamp cap | — | 1987-02-17 |
| 4215457 | Rapid heating dispenser cathode in a holder and method of manufacturing the same | Paulus R. Boelens, Jacob Blanken | 1980-08-05 |