Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835437 | Cathode ray tube with single crystal target | George W. Berkstresser | 1989-05-30 |
| 4802180 | Growth of congruently melting gadolinium scandium gallium garnet | Vincent Fratello, Alejandro J. Valentino | 1989-01-31 |