Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147700 | Molding compositions of low double refraction | Dieter Freitag, Lothar Meier, Christian Lindner, Hans-Eberhard Braese | 1992-09-15 |
| 5143973 | Moulding compositions of low double refraction | Dieter Freitag, Lothar Meier, Christian Lindner, Hans-Eberhard Braese | 1992-09-01 |
| 4705404 | Method and apparatus for processing mixed asphalt material utilizing broken-up used asphalt | — | 1987-11-10 |