Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33733 | Device for driving a drilling and/or impacting tool | Antonie J. Moolenaar, Jan P. Houben | 1991-11-05 |
| 4726430 | Device for driving a drilling and/or impacting tool | Antonie J. Moolenaar, Jan P. Houben | 1988-02-23 |