Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296150 | Transparent image marking sheet for projection systems | Norbert Mecke, Franz-Ulrich Schmitt, Karl-Heinz Schrader | 1981-10-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4296150 | Transparent image marking sheet for projection systems | Norbert Mecke, Franz-Ulrich Schmitt, Karl-Heinz Schrader | 1981-10-20 |