Inventor

DUNTHORN DAVID I

US4 patents

⚠️ This page may combine multiple inventors who share the name “DUNTHORN DAVID I”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DUNTHORN DAVID I

2 patents

US5317140AMay 31, 1994

Diffusion-assisted position location particularly for visual pen detection

DUNTHORN DAVID I452 citations95

US4914624AApr 3, 1990

Virtual button for touch screen

DUNTHORN DAVID I673 citations95

ELOGRAPHICS INC

1 patent

US5045644ASep 3, 1991

Touch sensitive screen with improved corner response

ELOGRAPHICS INC77 citations93

(unassigned)

1 patent

US6751564B2Jun 15, 2004

Waveform analysis

22 citations89