Inventor
DUNLAP DAVID DOUGLAS
US14 patents
Patents
14 patentsUSD976904SJan 31, 2023
Biometric scanner
STONE LOCK GLOBAL INC10 citations75
US11594072B1Feb 28, 2023
Methods and apparatus for access control using biometric verification
STONE LOCK GLOBAL INC4 citations73
US11017214B1May 25, 2021
Methods and apparatus for biometric verification
STONE LOCK GLOBAL INC3 citations72
US10853630B2Dec 1, 2020
Methods and apparatus for biometric verification
STONE LOCK GLOBAL INC2 citations72
USD932489SOct 5, 2021
Edge device
STONE LOCK GLOBAL INC4 citations63
US12230059B2Feb 18, 2025
Methods and apparatus for facial recognition using non-visible light
STONE LOCK GLOBAL INC0 citations61
US11651623B2May 16, 2023
Methods and apparatus for outdoor access control using biometric verification
STONE LOCK GLOBAL INC0 citations61
US11163983B2Nov 2, 2021
Methods and apparatus for aligning sampling points of facial profiles of users
STONE LOCK GLOBAL INC1 citations61
US11017213B1May 25, 2021
Methods and apparatus for biometric verification
STONE LOCK GLOBAL INC1 citations61
US11017211B1May 25, 2021
Methods and apparatus for biometric verification
STONE LOCK GLOBAL INC0 citations61
US11301670B2Apr 12, 2022
Methods and apparatus for collision detection in biometric verification
STONE LOCK GLOBAL INC0 citations51
US11275929B2Mar 15, 2022
Methods and apparatus for privacy protection during biometric verification
STONE LOCK GLOBAL INC0 citations51
US11163984B2Nov 2, 2021
Methods and apparatus for constructing biometrical templates using facial profiles of users
STONE LOCK GLOBAL INC0 citations51
US11017212B2May 25, 2021
Methods and apparatus for biometric verification
STONE LOCK GLOBAL INC0 citations51