Inventor
FERGUSSON ANDREW ASHRAF
CA7 patents
⚠️ This page may combine multiple inventors who share the name “FERGUSSON ANDREW ASHRAF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RESEARCH IN MOTION LTD
3 patentsUS8978487B2Mar 17, 2015
Capacitive force sensor with magnetic spring
RESEARCH IN MOTION LTD48 citations90
US9128541B2Sep 8, 2015
Apparatus to sense stylus nib pressures
RESEARCH IN MOTION LTD7 citations82
US9280214B2Mar 8, 2016
Method and apparatus for motion sensing of a handheld device relative to a stylus
RESEARCH IN MOTION LTD1 citations51
BLACKBERRY LTD
3 patentsUS9804712B2Oct 31, 2017
Contact-free interaction with an electronic device
BLACKBERRY LTD5 citations68
US9280219B2Mar 8, 2016
System and method of authentication of an electronic signature
BLACKBERRY LTD2 citations61
US9600729B2Mar 21, 2017
System and method of authentication of an electronic signature
BLACKBERRY LTD0 citations49