Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5911924 | Process for injection molding machine with electric drives | Ronald R. Siegrist, Bruno Stillhard | 1999-06-15 |
| 5792483 | Injection molding machine with an electric drive | Ronald R. Siegrist, Bruno Stillhard | 1998-08-11 |