JC

John K. Carstedt

CT Carroll Touch: 3 patents #1 of 16Top 7%
📍 Round Rock, TX: #826 of 1,915 inventorsTop 45%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,668,395 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4943806 Touch input device having digital ambient light sampling Timothy E. Masters, Paul B. Lucas, James Garrett 1990-07-24
4684801 Signal preconditioning for touch entry device Arthur B. Carroll, Stewart E. Hough, Paul R. Hunter, Sam R. Shaw, James Garrett 1987-08-04
4645920 Early fault detection in an opto-matrix touch input device Arthur B. Carroll 1987-02-24