Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8066457 | Machine tool | Roman Eigenmann, Jacek Kruszynski | 2011-11-29 |
| 7431543 | Machine reamer | Roman Eigenmann, Jacek Kruszynski | 2008-10-07 |
| 6830502 | Reaming tool with a guide shank | John Stanley Christoffel, Roman Eigenmann | 2004-12-14 |
| 4776734 | Tool holder | Johannes Christoffel | 1988-10-11 |