Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380682 | Voltage divider, electron gun provided with the voltage divider, and cathode ray tube provided with the electron gun | — | 2002-04-30 |
| 5079475 | Electric incandescent lamp having a looped filament support member | Jan D. Oortman Gerlings | 1992-01-07 |