Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398762 | Pickup device for lifting concrete body | Ernst Hatz, Olle Malmen, Henning Schilla, Karl E. Schlick | 1983-08-16 |
| 4394201 | Concrete slab assembly, especially for building facades | — | 1983-07-19 |
| 4359848 | Concrete slab assembly, especially for building facades | — | 1982-11-23 |
| 4296909 | Apparatus for forming recess around a pickup bolt of a concrete body | — | 1981-10-27 |
| 4183186 | Multilayer steel-reinforced concrete panels | — | 1980-01-15 |