Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203063 | Device for mounting and dismounting shaft furnace tymps | Nicolas Bonani, Edmond Mainz, Edouard Sand, Ernest Sand, Nicolas Wintersdorf +4 more | 1993-04-20 |
| 4329202 | Continuous heating process for producing char from cellulosic material | Eugene W. White, Fred E. Knoffsinger | 1982-05-11 |