Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817081 | Process for providing a surface with a fire-proof and/or wear resistant lining | Anthonij Wolfert | 2004-11-16 |
| 4212751 | Dithiophosphoric acids and salts thereof and oil compositions containing the salts | Corrie M. J. Leenaars, Aaldert Johannes De Jong | 1980-07-15 |