Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973048 | Melt and color stabilization of aliphatic polyketones | Gerrit de Wit | 1999-10-26 |
| 5541244 | Polymer mixture and articles formed therefrom | Roelof van der Meer, Constantinus L. J. A. Verbraak, Jan W. Heuseveldt, Hendrikus H. T. M. Ketels | 1996-07-30 |
| 5496880 | Polymer mixtures and articles formed therefrom | Jan W. Heuseveldt, Hendrikus H. T. M. Ketels | 1996-03-05 |
| 5462134 | Scaffolding construction, in particular means for joining two or more of its posts in vertical position | — | 1995-10-31 |
| 5252653 | Polymer mixture and articles formed therefrom | — | 1993-10-12 |