Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854668 | Light waveguide having three protective layers of plastic material and a method of manufacture | Ernst Mayr, Ulrich Oestreich | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854668 | Light waveguide having three protective layers of plastic material and a method of manufacture | Ernst Mayr, Ulrich Oestreich | 1989-08-08 |