Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822198 | Joint connection for frame structures | Erich Frantl, Peter Hofstatter, Willibald Zemler, Werner Frantl | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822198 | Joint connection for frame structures | Erich Frantl, Peter Hofstatter, Willibald Zemler, Werner Frantl | 1989-04-18 |