Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891087 | Isolation substrate ring for plasma reactor | Cecil J. Davis, John E. Spencer, Thomas D. Bonifield, Rhett B. Jucha, Randall E. Johnson +2 more | 1990-01-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891087 | Isolation substrate ring for plasma reactor | Cecil J. Davis, John E. Spencer, Thomas D. Bonifield, Rhett B. Jucha, Randall E. Johnson +2 more | 1990-01-02 |