Inventor
DUNCAN
US8 patents
⚠️ This page may combine multiple inventors who share the name “DUNCAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICROSOFT CORP
5 patentsUS7907125B2Mar 15, 2011
Recognizing multiple input point gestures
MICROSOFT CORP92 citations96
US7791597B2Sep 7, 2010
Uniquely identifiable inking instruments
MICROSOFT CORP105 citations95
US8001613B2Aug 16, 2011
Security using physical objects
MICROSOFT CORP15 citations82
US7692639B2Apr 6, 2010
Uniquely identifiable inking instruments
MICROSOFT CORP15 citations82
US9285907B2Mar 15, 2016
Recognizing multiple input point gestures
MICROSOFT CORP3 citations71