Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540247 | Printer ribbon with sewn feature and apparatus for forming same | — | 2009-06-02 |
| 7342499 | Multi-band RFID encoder | Lihu Chiu, Hai Cao | 2008-03-11 |
| 6896429 | Constant density printer system | Dennis R. White, Jeng-Dung Jou, Gordon B. Barrus, Y. Grant Chang, John W. Gemmell +2 more | 2005-05-24 |
| 6695498 | Printer compact coil winding system | Gordon B. Barrus | 2004-02-24 |
| 6000330 | Line printer with reduced magnetic permeance | Norman E. Farb | 1999-12-14 |
| 4790674 | Impact printer having wear-resistant platings on hammer springs and pole piece tips | Robert A. Kleist, Norman E. Farb | 1988-12-13 |