Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861982 | Scanning optical microscope with position detection grating | Albert Smid, Antonius Hermanus Maria Akkermans, Cornelis J. P. M. Rooyackers | 1989-08-29 |
| 4845352 | Scanning differential phase contrast microscope | — | 1989-07-04 |