Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7492086 | Low work function emitters and method for production of FED's | David A. Cathey, Behnam Moradi | 2009-02-17 |
| 7021982 | Manufacturing of field emission display screens by application of phosphor particles and conductive binders | Charles M. Watkins | 2006-04-04 |
| 6688934 | Spacers, display devices containing the same, and methods for making and using the same | Jim Browning | 2004-02-10 |
| 6639353 | Suspensions and methods for deposition of luminescent materials and articles produced thereby | — | 2003-10-28 |
| 6638445 | Silicon dioxide etch process which protects metals | Robert T. Rasmussen, David A. Cathey | 2003-10-28 |
| 6590334 | Field emission displays having reduced threshold and operating voltages and methods of producing the same | Robert T. Rasmussen | 2003-07-08 |
| 6530814 | Spacers, display devices containing the same, and methods for making and using the same | Jim Browning | 2003-03-11 |
| 6515414 | Low work function emitters and method for production of fed's | David A. Cathey, Behnam Moradi | 2003-02-04 |
| 6500040 | Method for cleaning phosphor screens for use with field emission displays | Jim Browning, Zhongyi Xia, David A. Cathey | 2002-12-31 |
| 6413577 | Process for operating a field emission display with a layer of praseodymium-manganese oxide material | Robert T. Rasmussen | 2002-07-02 |
| 6409564 | Method for cleaning phosphor screens for use with field emission displays | Jim Browning, Zhongyi Xia, David A. Cathey | 2002-06-25 |
| 6361391 | Fiber spacers in large area vacuum displays and method for manufacture of same | David A. Cathey, Charles M. Watkins, Darryl M. Stansbury, James J. Hofman, Robert T. Rasmussen | 2002-03-26 |
| 6184153 | Semiconductor material produced by improved etch process which protects metal | Robert T. Rasmussen, David A. Cathey | 2001-02-06 |
| 6183329 | Fiber spacers in large area vacuum displays and method for manufacture of same | David A. Cathey, Charles M. Watkins, Darryl M. Stansbury, James J. Hofman, Robert T. Rasmussen | 2001-02-06 |
| 6171464 | Suspensions and methods for deposition of luminescent materials and articles produced thereby | — | 2001-01-09 |
| 6116974 | Spacers, display devices containing the same, and methods for making and using the same | Jim Browning | 2000-09-12 |
| 6090309 | Visible light-emitting phosphor composition having an enhanced luminescent efficiency over a broad range of voltages | Charles M. Watkins | 2000-07-18 |
| 6059936 | Rapid annealing of powder phosphors | David A. Cathey, Charles M. Watkins | 2000-05-09 |
| 6057638 | Low work function emitters and method for production of FED's | David A. Cathey, Behnam Moradi | 2000-05-02 |
| 6042746 | Specialized phosphors prepared by a multi-stage grinding and firing sequence | Charles M. Watkins | 2000-03-28 |
| 6027790 | Etching process which protects metal | Robert T. Rasmussen, David A. Cathey | 2000-02-22 |
| 6008577 | Flat panel display with magnetic focusing layer | Robert T. Rasmussen, Charles M. Watkins | 1999-12-28 |
| 6004480 | Phosphor manufacturing process employing auto feedback to control product characteristics | — | 1999-12-21 |
| 5906771 | Manufacturing process for high-purity phosphors having utility in field emission displays | Charles M. Watkins | 1999-05-25 |
| 5885477 | Silicon dioxide etch process which protects metal | Robert T. Rasmussen, David A. Cathey | 1999-03-23 |