Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342142 | Angular paving stone for paving areas | Gunther Barth, Harald von Langsdorff | 1994-08-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342142 | Angular paving stone for paving areas | Gunther Barth, Harald von Langsdorff | 1994-08-30 |