Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4389446 | Liquid absorbing fibrous material treated with a wood preservative agent | Cornelis W. Blom | 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 | Cornelis W. Blom | 1981-05-05 |