Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5865657 | Fabrication of gated electron-emitting device utilizing distributed particles to form gate openings typically beveled and/or combined with lift-off or electrochemical removal of excess emitter material | Paul N. Ludwig, Christopher J. Spindt, Daniel Dobkin | 1999-02-02 |
| 5766446 | Electrochemical removal of material, particularly excess emitter material in electron-emitting device | Christopher J. Spindt, Gabriela S. Chakarova, Maria Nikolova, Peter C. Searson, Nils J. Knall +2 more | 1998-06-16 |
| 5755944 | Formation of layer having openings produced by utilizing particles deposited under influence of electric field | Esther Sluzky, John M. Macaulay | 1998-05-26 |
| 5649847 | Backplate of field emission device with self aligned focus structure and spacer wall locators | — | 1997-07-22 |
| 5650690 | Backplate of field emission device with self aligned focus structure and spacer wall locators | — | 1997-07-22 |
| 5578899 | Field emission device with internal structure for aligning phosphor pixels with corresponding field emitters | Chungdee Pong | 1996-11-26 |
| 5543683 | Faceplate for field emission display including wall gripper structures | Chungdee Pong | 1996-08-06 |
| 5374968 | Optics for a single-lens video projector with color-specific polarization channels | David W. Vollmer, Douglas H. Harrison | 1994-12-20 |
| 5140448 | Apparatus for and method of operation of smectic liquid crystal light valve having scattering centers | Matthew Bone, David E. Slobodin, Michael E. Stefanov, Frederic J. Kahn | 1992-08-18 |
| 5040879 | Variable density optical filter | — | 1991-08-20 |
| 4784883 | Liquid crystal cell and method of assembly of same | Donald P. Chitwood, Raymond D. Wilson | 1988-11-15 |
| 4744636 | Electron beam-addressed liquid crystal cell having coating layer for secondary electron emission | Thomas S. Buzak, Rolf S. Vatne | 1988-05-17 |
| 4335328 | Selectively erasable storage target with insulated web collector | — | 1982-06-15 |
| 4284661 | Process for making bistable storage cathode ray tube | Robert L. Arneson | 1981-08-18 |
| 4254360 | Insulated web collector storage target for a cathode ray tube | — | 1981-03-03 |
| 4251610 | Method of making multicolor CRT display screen with minimal phosphor contamination | Donald P. Chitwood | 1981-02-17 |