Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5464070 | Stanchion assembly | Cornelis J. Griek | 1995-11-07 |
| 5353891 | Stanchion assembly | Cornelis J. Griek | 1994-10-11 |
| 5249769 | Clamp for building structures | Cornelius J. Griek | 1993-10-05 |