Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8908401 | Multiphase soft-switched DC-DC converter | Max Hiltbrunner, Urs Christen | 2014-12-09 |
| 4674692 | Mixing and/or comminuting apparatus | Walter Killer, Alfred Gloor | 1987-06-23 |
| 4506838 | Comminution and mixing apparatus | Walter Killer | 1985-03-26 |