Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915561 | Fastening element assembly with a deformable sleeve | Reinhard Buhri, Elmer C. Hoepker, Elmar Thurner | 1990-04-10 |
| 4907928 | Fastening member for securement into hard materials | Josef Beck, Hans Hachtel | 1990-03-13 |
| 4747727 | Anchor rod assembly secured by hardenable mass | Oliver Berchtold | 1988-05-31 |