Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6586894 | Picture display device of the index type | Petrus Johannes Gerardus van Lieshout | 2003-07-01 |
| 6417633 | Tracking cathode ray tube circuit having a modulator demodulator | Petrus Johannes Gerardus van Lieshout, Adrianus Sempel | 2002-07-09 |