Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886461 | Transparent conductor for field emission displays | — | 1999-03-23 |
| 5801103 | Etching process which protects metal | Robert T. Rasmussen, David A. Cathey | 1998-09-01 |
| 5795206 | Fiber spacers in large area vacuum displays and method for manufacture of same | David A. Cathey, Charles M. Watkins, Darryl M. Stansbury, James J. Hofmann, Robert T. Rasmussen | 1998-08-18 |
| 5788881 | Visible light-emitting phosphor composition having an enhanced luminescent efficiency over a broad range of voltages | Charles M. Watkins | 1998-08-04 |
| 5779920 | Luminescent screen with mask layer | Dean Andrew Wilkinson | 1998-07-14 |
| 5776540 | Process for manufacturing a praseodymium oxide- and manganese oxide-containing baseplate for use in field emission displays | Robert T. Rasmussen | 1998-07-07 |
| 5772488 | Method of forming a doped field emitter array | David A. Cathey, Behnam Moradi | 1998-06-30 |
| 5759446 | Process for preparing a praseodymium-manganese oxide material for use in field emission displays | Robert T. Rasmussen | 1998-06-02 |
| 5744907 | Binders for field emission displays | Charles M. Watkins | 1998-04-28 |
| 5695661 | Silicon dioxide etch process which protects metal | Robert T. Rasmussen, David A. Cathey | 1997-12-09 |
| 5695809 | Sol-gel phosphors | James J. Alwan | 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 |
| 4529885 | Direct current electroluminescent devices | Michael Waite, Weng Y Leong | 1985-07-16 |