Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647513 | Magnetic recording media | August Lehner, Albert Kohl, Werner Balz, Friedrich Sommermann, Werner Grau +1 more | 1987-03-03 |
| 4568610 | Magnetic recording media | August Lehner, Werner Balz, Helmut Kopke, Werner Grau, Reinhold Baur | 1986-02-04 |
| 4568612 | Magnetic recording media | August Lehner, Werner Balz, Werner Lenz, Helmut Kopke, Rudolf Bachmann +3 more | 1986-02-04 |
| 4567109 | Magnetic recording media | August Lehner, Helmut Kopke, Werner Balz, Werner Lenz, Reinhold Baur +1 more | 1986-01-28 |
| 4320171 | Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating | Herbert Motz, August Lehner, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann +4 more | 1982-03-16 |