Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696169 | Expanded metal mesh and tool for producing the same | Wilhelm Rottger, Hermann Klöckner | 2004-02-24 |
| 5141359 | Zigzag breakwater | — | 1992-08-25 |
| 5062739 | Zigzag breakwater | — | 1991-11-05 |