Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348610 | Camera tube with graded tellurium or arsenic target | Joannes H. J. van Dommelen, Petrus J. A. M. Derks | 1982-09-07 |
| 4319159 | Camera tube selenium target including arsenic increasing in concentration from radiation side | Petrus J. A. M. Derks, Joannes H. J. van Dommelen | 1982-03-09 |