P
PatentIndex
Search
Landscape
Sign in
Inventor
WHETSTONE ALBERT L
US
6 patents
⚠️ This page may combine multiple inventors who share the name “WHETSTONE ALBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DISPLAY INTERFACE CORP
3 patents
US4550316A
Oct 29, 1985
Stylus mouse
DISPLAY INTERFACE CORP
84 citations
94
US4514726A
Apr 30, 1985
Noise mouse
DISPLAY INTERFACE CORP
55 citations
92
US4451698A
May 29, 1984
Coordinate digitizing device
DISPLAY INTERFACE CORP
29 citations
90
SUMMAGRAPHICS CORP
3 patents
US4514688A
Apr 30, 1985
Digital tablet system with calibration means
SUMMAGRAPHICS CORP
31 citations
90
US4482784A
Nov 13, 1984
Position determination device
SUMMAGRAPHICS CORP
44 citations
90
US3956588A
May 11, 1976
Digitizing graphic system using magnetostrictive transducers
SUMMAGRAPHICS CORP
13 citations
65