Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7205903 | Interactive and dynamic electronic floor advertising/messaging display | Ronald D. Blum, William Kokonaski | 2007-04-17 |
| 7195353 | Enhanced electro-active lens system | Ronald D. Blum, William Kokonaski | 2007-03-27 |
| 7188948 | System, apparatus and method for correcting vision with an adaptive optic | Ronald D. Blum, Dan Katzman | 2007-03-13 |
| 7109881 | Electronic floor display with weight measurement and reflective display | Ronald D. Blum, William Kokonaski | 2006-09-19 |
| 7092144 | Mirror assemblies incorporating variable index of refraction materials | Ronald D. Blum, William Kokonaski, Youval Katzman | 2006-08-15 |
| 7077519 | System, apparatus, and method for correcting vision using an electro-active lens | Ronald D. Blum, Dan Katzman | 2006-07-18 |
| 7023594 | Electro-optic lens with integrated components | Ronald D. Blum, William Kokonaski | 2006-04-04 |
| 7009523 | Modular protective structure for floor display | Ronald D. Blum, William Kokonaski | 2006-03-07 |
| 6986579 | Method of manufacturing an electro-active lens | Ronald D. Blum, William Kokonaski | 2006-01-17 |
| 6982649 | Floor display system with interactive features | Ronald D. Blum, J. Thomas Walker, Barry H. Whalen, Joseph Thibodeau, Bradley Blum +1 more | 2006-01-03 |
| 6927894 | Mirror assemblies incorporating variable index of refraction materials | Ronald D. Blum, William Kokonaski, Youval Katzman | 2005-08-09 |
| 6918670 | System, apparatus, and method for correcting vision using an electro-active lens | Ronald D. Blum, Dan Katzman | 2005-07-19 |
| 6871951 | Electro-optic lens with integrated components | Ronald D. Blum, William Kokonaski, Joseph Thibodeau, Youval Katzman, Uzi Efron | 2005-03-29 |
| 6873266 | Electronic floor display | Ronald D. Blum | 2005-03-29 |
| 6857741 | Electro-active multi-focal spectacle lens | Ronald D. Blum, William Kokonaski | 2005-02-22 |
| 6844058 | Floor mat including tacky surface with tacky-when-dry and tacky-when-wet properties | Ronald D. Blum, Bradley Blum, William Kokonaski, Peter Kopf | 2005-01-18 |
| 6507285 | Cleaning system with electronic display | Ronald D. Blum | 2003-01-14 |
| 6417778 | Advanced floor mat | Ronald D. Blum | 2002-07-09 |
| 6233776 | Advanced floor mat | Ronald D. Blum, Bradley Blum | 2001-05-22 |