Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338164 | Method for producing planar surfaces having very fine peaks in the micron range | — | 1982-07-06 |
| 4314894 | Method of making a magnetic memory layer | Christoph Schmelzer, Jens-Peter Krumme, Klaus Witter, Heinrich Heitmann | 1982-02-09 |