Issued Patents 1997
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5695809 | Sol-gel phosphors | James J. Alwan | 1997-12-09 |
| 5695661 | Silicon dioxide etch process which protects metal | Robert T. Rasmussen, David A. Cathey | 1997-12-09 |
| 5688438 | Preparation of high purity silicate-containing phosphors | — | 1997-11-18 |
| 5668437 | Praseodymium-manganese oxide layer for use in field emission displays | Robert T. Rasmussen | 1997-09-16 |
| 5662831 | Luminescent phosphor and methods relating to production thereof | — | 1997-09-02 |
| 5641416 | Method for particulate-free energy beam cutting of a wafer of die assemblies | — | 1997-06-24 |
| 5635110 | Specialized phosphors prepared by a multi-stage grinding and firing sequence | Charles M. Watkins | 1997-06-03 |
| 5601751 | Manufacturing process for high-purity phosphors having utility in field emission displays | Charles M. Watkins | 1997-02-11 |