Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360724 | Method and an apparatus for stepwise movement of a reinforcement grid | Klaus Ritter, Gerhard Ritter, Josef Ritter | 1982-11-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360724 | Method and an apparatus for stepwise movement of a reinforcement grid | Klaus Ritter, Gerhard Ritter, Josef Ritter | 1982-11-23 |