Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324079 | Security document having a security thread embedded therein | Wittich Kaule, Wilhelm Ilgmann, Gerhard Schwenk | 1994-06-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324079 | Security document having a security thread embedded therein | Wittich Kaule, Wilhelm Ilgmann, Gerhard Schwenk | 1994-06-28 |