Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8946370 | Polymer composition, method for applying such composition and use of such composition in railway track structures | Pieter J. Kerkhoven, Stefanus J. M. Koteris | 2015-02-03 |
| 8893982 | Method for manufacturing a resilient rail support block assembly | — | 2014-11-25 |
| 8580177 | Method for manufacturing a resilient rail support block assembly | — | 2013-11-12 |
| D628247 | Exercise apparatus | Albert de Boers, Floris Johannes van Drenth, Maurits George Marie von Heijden, Andries Zijta | 2010-11-30 |