Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840524 | Anchor member with electrical insulation jacket | Erich Leibhard, Peter Mauthe | 1989-06-20 |
| 4836729 | Anchoring unit for use in structures with internal open spaces | Alfred Gahler, Armin Hoffmann, Franz Popp | 1989-06-06 |