Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7084190 | Meltable ink composition | Roelof H. Everhardus, Erik Kelderman, Marcus Petrus Leonardus Huinck, Rudolf Antonius Maria Venderbosch, Richard Hendrikus Gerrit Brinkhuis | 2006-08-01 |
| 6682587 | Meltable ink composition | Marcus Petrus Leonardus Huinck, Frederik L. E. M. Suilen | 2004-01-27 |