JJ

Jung-Chang Jong

JC Jenn Feng Industrial Co.: 17 patents #1 of 9Top 15%
📍 Zhongliao Township, TW: #3 of 33 inventorsTop 10%
Overall (All Time): #279,633 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDate
6909061 Trigger-brake structure for tool machine 2005-06-21
6878888 Safety device for activating electric tools 2005-04-12
6698566 Clutch type safety switch for power tools 2004-03-02
6622341 Position shifting plate for an air blowing device 2003-09-23
6575285 Safety switch for power tools 2003-06-10
D473116 Hedge trimmer 2003-04-15
6532671 Tension adjustment device for a chain saw 2003-03-18
D469200 Flashlight 2003-01-21
6469269 Two-stage self-locking switch structure for hand tools 2002-10-22
6454020 Locking device for output shaft of electric tools 2002-09-24
D460973 Lawn mower 2002-07-30
D459559 Blower 2002-06-25
D457897 Lawn mower 2002-05-28
D457532 Milling machine for leaves and branch 2002-05-21
D457042 Lawn mower 2002-05-14
D456675 Lawn mower 2002-05-07
D445657 Chain saw 2001-07-31