Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D703969 | Towel holder | — | 2014-05-06 |
| 8701292 | Multi-purpose cooking tool | — | 2014-04-22 |
| D613077 | Hanger | — | 2010-04-06 |
| D585248 | Food lifter | — | 2009-01-27 |
| 7316640 | Craft-making tool | — | 2008-01-08 |
| 7024085 | Systems and devices for dynamic processing of optical signals | Leif Fredin, Ray T. Chen, Ram Sivaraman | 2006-04-04 |
| 6778736 | Dynamic variable optical attenuator and variable optical tap | Leif Fredin, Ray T. Chen, Ram Sivaraman | 2004-08-17 |