Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4592707 | Device for rounding off granular particles of solid material | Werner J. Borer, Hugo Spalinger | 1986-06-03 |
| 4476071 | Process for rounding off granular particles of solid material | Werner J. Borer, Hugo Spalinger | 1984-10-09 |