Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513834 | Preparation of high purity elements | Gerald Feldewerth, David Bunnell | 1996-05-07 |
| 4888051 | Method for the zone refining of gallium | Roelof P. Bult, Gary T. Proux | 1989-12-19 |
| 4690725 | Purification of Cd and Te by zone refining | Roelof P. Bult, Robert F. Redden | 1987-09-01 |