Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5063518 | Alarm system for a crystal growing furnace | John Klein, Janine E. Dubois | 1991-11-05 |
| 4952780 | Computerized multi-zone crystal growth furnace | John Klein, Janine E. Dubois, David J. Larson, Sr. | 1990-08-28 |
| 4907177 | Computerized multi-zone crystal growth furnace precise temperature and heating control method | John Klein, Janine E. Dubois | 1990-03-06 |