Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859222 | Method for the manufacture of a light wave guide | Peter Krause, Ulrike Jost, Ralf Kersten, Volker Paquet, Wolfgang Siefert | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859222 | Method for the manufacture of a light wave guide | Peter Krause, Ulrike Jost, Ralf Kersten, Volker Paquet, Wolfgang Siefert | 1989-08-22 |