Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284452 | Method of embedding thin wires in laminated glass | Walther Bethge | 1981-08-18 |
| 4209687 | Laminated transparent pane | Walther Bethge | 1980-06-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284452 | Method of embedding thin wires in laminated glass | Walther Bethge | 1981-08-18 |
| 4209687 | Laminated transparent pane | Walther Bethge | 1980-06-24 |