Inventor
KARDOS DAVID W
US3 patents
Patents
3 patentsUS6776619B1Aug 17, 2004
Refreshable braille reader
USA71 citations95
US7009595B2Mar 7, 2006
Extended refreshable tactile graphic array for scanned tactile display
USA111 citations92
US6692255B2Feb 17, 2004
Apparatus and method utilizing bi-directional relative movement for refreshable tactile display
USA13 citations79