Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7485842 | Optical proximity sensor for a liquid-jet instrument, and a liquid-jet instrument equipped with such a sensor | Alain Rosenzweig, Kurt Rath | 2009-02-03 |
| 7393098 | Liquid jet writing instrument | Alain Rosenzweig, Kurt Rath | 2008-07-01 |
| 7322662 | Liquid-jet writing instrument | Kurt Rath, Alain Rosenzweig | 2008-01-29 |
| 6846077 | Liquid jet writing instrument | Alain Rosenzweig, Kurt Rath | 2005-01-25 |