Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826668 | Process for the production of ultra high purity polycrystalline silicon | William C. Breneman, Robert N. Flagella, David W. Hagan | 1989-05-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826668 | Process for the production of ultra high purity polycrystalline silicon | William C. Breneman, Robert N. Flagella, David W. Hagan | 1989-05-02 |