Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7105224 | Oxide ceramic fiber composite materials and use thereof | Andreas Krell, Dieter Sporn | 2006-09-12 |
| 6214069 | Process for the manufacture of a sintered, ceramic abrasive and grinding tools with this abrasive | Andreas Krell | 2001-04-10 |
| 6066584 | Sintered Al.sub.2 O.sub.3 material, process for its production and use of the material | Andreas Krell | 2000-05-23 |
| D421253 | Computer mouse | — | 2000-02-29 |
| D416248 | Computer mouse operating buttons | — | 1999-11-09 |