Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4934662 | Device for introducing a cable into a cable guide tube | Willem Griffioen | 1990-06-19 |
| 4850569 | Method for introducing a cable into a cable guide tube | Willem Griffioen | 1989-07-25 |