Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769107 | Process and apparatus for the cyclical manufacture of silicon shaped articles | Dieter Helmreich, Cord Gessert, Hans-Dieter Miller, Georg Priewasser, Leonhard Schmidhammer | 1988-09-06 |
| 4633847 | Multiple-blade internal-hole saw for sawing crystalline rods | Gunter Lossl, Horst Stock | 1987-01-06 |
| 4513544 | Method of sawing crystalline rods, and multiple-blade internal-hole saw for carrying out the method | Gunter Lossl, Horst Stock | 1985-04-30 |