Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4731558 | Method of reducing the reflectance of a transparent viewing screen and viewing screen with reduced reflectance | Jan Haisma, Pieter van der Werf, Albertus J. M. Rombouts | 1988-03-15 |
| 4617206 | Method of manufacturing a layer of an oxide of an element from group IVa | Jan Haisma, Petrus Heller, Udo K. P. Biermann | 1986-10-14 |
| 4547801 | Tunable Fabry-Perot interferometer and X-ray display device having such an interferometer | Jan Haisma, Cornelis L. Adema, Jurren H. Walters | 1985-10-15 |