Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8573498 | Identifying duplicate printed paper cash letters | Randall Lee Mueller, David Treptow | 2013-11-05 |
| 8557640 | Low voltage PNPN protection device | Johnny C. Chen, Ethan Kuo | 2013-10-15 |
| 8384126 | Low voltage PNPN protection device | Johnny C. Chen, Ethan Kuo | 2013-02-26 |
| 7943959 | Low capacitance semiconductor device | — | 2011-05-17 |
| 7918386 | Cash letter print verification | Randall Lee Mueller, David Treptow | 2011-04-05 |
| 7638816 | Epitaxial surge protection device | — | 2009-12-29 |
| 5679586 | Composite mask process for semiconductor fabrication | Ewen Gillespie | 1997-10-21 |
| 4629944 | Starter circuit for a fluorescent tube lamp | Michael J. Maytum, Anthony Lear, Stephen W. Byatt | 1986-12-16 |