Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5831734 | Method of measuring a reference position of a tool relative to a workpiece, and machine tool for carrying out said method | Arie Van Tooren, Gerrit H. Van Gool, Johannes H. F. M. Van Leest | 1998-11-03 |
| 4895585 | Method of manufacturing lens elements | Johannes H. Angenent, Nicodemus Hattu, Petrus Heller, Petrus A. Lemmens, Cornelis J. T. Potters | 1990-01-23 |