Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8118282 | Method and device for installing cable into cable guide tubing | Willem Griffioen, Willem Greven, Thomas Pothof, Patrick Menno Versteeg, Arie Van Wingerden | 2012-02-21 |
| 6572081 | Installation of guide tubes in a protective duct | Willem Griffioen, Arie Van Wingerden, Pieter Lock, Willem Greven, Frans Robbert Bakker | 2003-06-03 |