Assignee
LIU YI-FENG
7 patents
Top patents by PatentIndex Score
US7441654B2Oct 28, 2008
Open reel screwdriver tips holder
LIU YI-FENG7 citations72
US7441481B2Oct 28, 2008
Socket wrench having multiple driving heads
LIU YI-FENG7 citations72
US7387055B2Jun 17, 2008
Accommodating handle for hexagon spanner
LIU YI-FENG7 citations72
USD756189SMay 17, 2016
Ratcheting screwdriver
LIU YI-FENG4 citations71
USD745823SDec 22, 2015
Bits box
LIU YI-FENG3 citations61
US7810413B2Oct 12, 2010
Hexagon spanner handle for increasing turning force
LIU YI-FENG6 citations61
USD570178SJun 3, 2008
Screwdriver storage box
LIU YI-FENG3 citations61