Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7767187 | Method and apparatus for separating carbon product from used tire with microwave | — | 2010-08-03 |
| 7140942 | Gated electron emitter having supported gate | Randolph D. Schueller | 2006-11-28 |
| 6963160 | Gated electron emitter having supported gate | Randolph D. Schueller | 2005-11-08 |
| 6664721 | Gated electron field emitter having an interlayer | Keith D. Jamison, Donald E. Patterson, Randolph D. Schueller, David Hebert, Richard L. Woodin | 2003-12-16 |