Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4536416 | Matrix and method of manufacturing articles of a synthetic resin by the matrix | Johannes J. Ponjee | 1985-08-20 |
| 4448866 | Method of electrophotographically manufacturing a display screen for a color display tube | Henri G. Olieslagers | 1984-05-15 |