Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6036584 | Blast system | Maarten H. Zonneveld, Henricus J. Ligthart | 2000-03-14 |
| 5818318 | Magnetic clamping device | Henricus J. Ligthart, Jakob Vijfvinkel | 1998-10-06 |
| 5800231 | Method of providing a pattern of apertures and/or cavities in a plate of non-metallic material | Franciscus C. M. De Haas, Franciscus M. H. Van Laarhoven, Johannus M.E. Van Laarhoven, Henricus J. Ligthart, Johannes G. Van Beek | 1998-09-01 |
| 5730635 | Method of providing a pattern of apertures and/or cavities in a plate of non-metallic material | Franciscus C. M. De Haas, Franciscus M. H. Van Laarhoven, Johannus M.E. Van Laarhoven, Henricus J. Ligthart, Johannes G. Van Beek | 1998-03-24 |
| 5404204 | Display tube including a deflection unit | — | 1995-04-04 |