Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489024 | Method of and apparatus for the manufacture of prefabricated prestressed concrete members | Peter Auer, Fritz Kluge, Helmut Lieske | 1984-12-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489024 | Method of and apparatus for the manufacture of prefabricated prestressed concrete members | Peter Auer, Fritz Kluge, Helmut Lieske | 1984-12-18 |