Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364746 | Abrasive material | Jost Kramis, Jakob Ackermann | 1982-12-21 |
| 4196233 | Process for coating inorganic substrates with carbides, nitrides and/or carbonitrides | Dieter Lohmann | 1980-04-01 |