Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5756409 | Silicon-carbide sintered abrasive grain and process for its production | Edgar Mayer | 1998-05-26 |
| 5284809 | Method for the preparation of .alpha.-aluminum oxide powder | — | 1994-02-08 |
| 5236471 | Process for the production of sintered material based on .alpha.-aluminum oxide, especially for abrasives | — | 1993-08-17 |