Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5973444 | Carbon fiber-based field emission devices | Xueping Xu, Charles Pershing Beetz, Robert W. Boerstler, John Steinbeck | 1999-10-26 |
| 5872422 | Carbon fiber-based field emission devices | Xueping Xu, Charles Pershing Beetz, Robert W. Boerstler, John Steinbeck | 1999-02-16 |
| 5680008 | Compact low-noise dynodes incorporating semiconductor secondary electron emitting materials | John Miller | 1997-10-21 |
| 5608283 | Electron-emitting devices utilizing electron-emissive particles which typically contain carbon | Jonathan Twichell, Michael W. Geis, John M. Macaulay, Robert M. Duboc, Jr., Christopher J. Curtin | 1997-03-04 |
| 5395738 | Electron lithography using a photocathode | Philip Moss Platzman | 1995-03-07 |