Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000825 | System and method for automatically producing haptic events from a digital audio file | Christopher J. Ullrich, Stephen D. Rank | 2011-08-16 |
| 7979146 | System and method for automatically producing haptic events from a digital audio signal | Christopher J. Ullrich, Danny A. Grant, Stephen D. Rank | 2011-07-12 |