RR

Rufus Ritchie

ET Elo Touchsystems: 1 patents #15 of 51Top 30%
TC Tyco Electronics Co.: 1 patents #700 of 1,364Top 55%
Overall (All Time): #2,127,103 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7800589 Touch screen with relatively conductive grid G. Samuel Hurst, Donald W. Bouldin, Robert J. Warmack 2010-09-21
6650319 Touch screen based topological mapping with resistance framing design G. Samuel Hurst, Donald W. Bouldin, Robert J. Warmack 2003-11-18