Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4924079 | Apparatus for optically scanning an information plane | Willem G. Opheij, Peter Coops, Adrianus J. Duijvestijn, Dirk C. Van Eck | 1990-05-08 |
| 4747647 | Optical scanning device | Albert Smid | 1988-05-31 |