Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560624 | Magnetic recording media with a dual protective coating of silicon monoxide and chromium | Peter Heilmann, Udo Kullmann, Dieter Mayer, Werner Grau | 1985-12-24 |
CG
Christine Guttner
Overall (All Time): #4,026,770 of 4,157,543Top 100%
1
Patents All Time