Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45884 | Chat interface with haptic feedback functionality | Dean C. Chang, Michael P. Ruf | 2016-02-09 |
| 8838671 | Defining force sensations associated with graphical images | Dean C. Chang, Louis B. Rosenberg, Sian W. Tan, Jeffrey R. Mallett | 2014-09-16 |
| 7493365 | Chat interface with haptic feedback functionality | Dean C. Chang, Michael P. Ruf | 2009-02-17 |
| 7159008 | Chat interface with haptic feedback functionality | Dean C. Chang, Michael P. Ruf | 2007-01-02 |
| 6353850 | Force feedback provided in web pages | Dean C. Chang, Louis B. Rosenberg, Sian W. Tan, Jeffrey R. Mallett | 2002-03-05 |
| 6161126 | Implementing force feedback over the World Wide Web and other computer networks | Dean C. Chang, Louis B. Rosenberg, Sian W. Tan, Jeffrey R. Mallett | 2000-12-12 |
| 6125385 | Force feedback implementation in web pages | Dean C. Chang, Louis B. Rosenberg, Sian W. Tan, Jeffrey R. Mallett | 2000-09-26 |