CH

Chih-Ching Hsien

Overall (All Time): #16,550 of 4,157,543Top 1%
94
Patents All Time

Issued Patents All Time

Showing 51–75 of 94 patents

Patent #TitleCo-InventorsDate
D506371 Wrench type spanner 2005-06-21
6899000 Wrench open end having a pushing tongue 2005-05-31
6895839 Control mechanism for controlling head of a box end wrench 2005-05-24
6895837 Wrench structure having a strengthened handle 2005-05-24
6886428 Pawl control mechanism for a ratchet tool 2005-05-03
6883404 Wrench having rotation adjustment effect 2005-04-26
6881157 Golf club having stabilized air flow structure 2005-04-19
6877403 Telescopic socket assembly 2005-04-12
6874391 One-way ratchet wrench 2005-04-05
6860176 Box end of wrench 2005-03-01
6851824 Detachable lamp for hand tool 2005-02-08
6851340 Screwdriver assembly 2005-02-08
6851334 Multipurpose socket wrench 2005-02-08
6845691 Ratchet tool with magnetic engaging member 2005-01-25
6834566 Method for forming receiving hole in adjustable spanner 2004-12-28
D499619 Wrench 2004-12-14
6811499 Golf tee structure with adjustable height 2004-11-02
6810774 Wrench tool having magnet connected thereto 2004-11-02
6805027 Pawl selection mechanism for ratchet tools 2004-10-19
6802622 Flashlight with convex lens assembly providing multiple focuses 2004-10-12
D496238 Wrench 2004-09-21
6784799 Tension meter and wrench arrangement 2004-08-31
6772645 Torque test device 2004-08-10
6766700 Wrench having torque indicator 2004-07-27
6761092 Metal piece attraction device on ratchet tool 2004-07-13