Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734325 | Oxygen therapy with ultrasound | Paul Edward Schubert, Howard E. Purdum | 2014-05-27 |
| 6860777 | Radiation shielding for field emitters | J. Brett Rolfson | 2005-03-01 |
| 6727637 | Buffered resist profile etch of a field emission device structure | — | 2004-04-27 |
| 6469436 | Radiation shielding for field emitters | J. Brett Rolfson | 2002-10-22 |
| 6445123 | Composite self-aligned extraction grid and in-plane focusing ring, and method of manufacture | Kevin Tjaden | 2002-09-03 |
| 6428378 | Composite self-aligned extraction grid and in-plane focusing ring, and method of manufacture | Kevin Tjaden | 2002-08-06 |
| 6190930 | Buffered resist profile etch of a field emission device structure | — | 2001-02-20 |
| 6190223 | Method of manufacture of composite self-aligned extraction grid and in-plane focusing ring | Kevin Tjaden | 2001-02-20 |
| 6175184 | Buffered resist profile etch of a field emission device structure | — | 2001-01-16 |
| 5542138 | Bedside control unit for a hospital bed | George R. Parrish | 1996-08-06 |
| 5537453 | Coaxial laser targeting device for use with X-ray equipment | Randal R. Trecha | 1996-07-16 |
| 5490524 | Surgical drape for a laser targeting device used with an x-ray machine | George R. Parrish | 1996-02-13 |