Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302611 | Connecting piece | Gertrudis Maria Gerardus De Gier | 2001-10-16 |
| 5533682 | Device for crushing and/or cutting material | Gertrudis Maria Gerardus De Gier, Hendrikus T. J. J. Wingens | 1996-07-09 |