Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952564 | Multiple-touch sensor | G. Samuel Hurst, Robert J. Warmack, Rufus H. Richie, David Ritchie | 2011-05-31 |
| 7800589 | Touch screen with relatively conductive grid | G. Samuel Hurst, Rufus Ritchie, Robert J. Warmack | 2010-09-21 |
| 7265686 | Touch sensor with non-uniform resistive band | G. Samuel Hurst, R. H. Ritchie, Robert J. Warmack, Joel C. Kent | 2007-09-04 |
| 6650319 | Touch screen based topological mapping with resistance framing design | G. Samuel Hurst, Rufus Ritchie, Robert J. Warmack | 2003-11-18 |