Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360285 | Set of shaped stones and shaped stone for paving ground areas with wide gaps therebetween | Gunther Barth, Harald von Langsdorff | 1994-11-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5360285 | Set of shaped stones and shaped stone for paving ground areas with wide gaps therebetween | Gunther Barth, Harald von Langsdorff | 1994-11-01 |