Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7025229 | Assembly of package and apparatus for the metered emptying of the package as well as apparatus therefor | Victor Robert Bochno | 2006-04-11 |
| 5698773 | Viscometer | Kornelis Oebele Van Der Werf | 1997-12-16 |
| 5083408 | Wood preservation method and preservation means for use in said method | Theodorus G. Vugts | 1992-01-28 |
| 4389446 | Liquid absorbing fibrous material treated with a wood preservative agent | Jacobus M. van Keulen | 1983-06-21 |
| 4265958 | Method for the treatment of wood by a wood preserving agent, as well as wood treated with such a wood preservative agent | Jacobus M. van Keulen | 1981-05-05 |