Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8654142 | Accurate color display device | Bob Myers, John W. Frederick | 2014-02-18 |
| 8264929 | Optical medium recognition system and method with an optical drive having plural lasers | Dirk Erickson, Thomas Pratt, Christiaan Steenbergen, Charles R. Weirauch | 2012-09-11 |
| 7596069 | Optical medium aligned information system and method | Christiaan Steenbergen, Dirk Erickson, Thomas Pratt, Charles R. Weirauch | 2009-09-29 |