Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636325 | Mining and demolition tool | Gregory Greenspan, Alexander Greenspan | 2014-01-28 |
| 8302239 | Orbital electric toothbrush | Igor Lantsberg, Gregory Greenspan, Alexander Greenspan | 2012-11-06 |
| 8197011 | Mining and demolition tool | Gregory Greenspan, Alexander Greenspan | 2012-06-12 |
| 8020940 | Mining and demolition tool | Gregory Greenspan, Alexander Greenspan | 2011-09-20 |
| 7963615 | Mining and demolition tool | Alexander Greenspan, Gregory Greenspan | 2011-06-21 |
| 7683500 | Wave energy recovery system | Alexander Greenspan, Greg Greenspan | 2010-03-23 |
| 7474013 | Wave energy recovery system | Alexander Greenspan, Greg Greenspan | 2009-01-06 |
| 7175577 | Therapy device having a rotatably tiltable platform | Alexander Greenspan, Gregory Greenspan | 2007-02-13 |