Inventor
DUCKWALL THOMAS
US6 patents
⚠️ This page may combine multiple inventors who share the name “DUCKWALL THOMAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASSA ABLOY HIGH SECURITY GROUP INC
4 patentsUS11280111B2Mar 22, 2022
Operating a lock cylinder with multiple, supplemental locking elements
ASSA ABLOY HIGH SECURITY GROUP INC2 citations69
US12196000B2Jan 14, 2025
Cylinder lock with multiple, supplemental locking elements and associated key
ASSA ABLOY HIGH SECURITY GROUP INC0 citations59
US12077983B2Sep 3, 2024
Key and key blanks operable in vertically and horizontally oriented keyways
ASSA ABLOY HIGH SECURITY GROUP INC1 citations59
US11624206B2Apr 11, 2023
Lock cylinder and key with multiple, supplemental locking elements
ASSA ABLOY HIGH SECURITY GROUP INC1 citations59