Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4200678 | Flexible multilayer magnetic recording medium | Franz Buettner, Fritz Hammon, Manfred Ohlinger, Heinz Stritzinger, Job-Werner Hartmann +1 more | 1980-04-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4200678 | Flexible multilayer magnetic recording medium | Franz Buettner, Fritz Hammon, Manfred Ohlinger, Heinz Stritzinger, Job-Werner Hartmann +1 more | 1980-04-29 |