JJ

Jung-Chang Jong

JC Jenn Feng Industrial Co.: 8 patents #1 of 1Top 100%
📍 Zhongliao Township, TW: #1 of 6 inventorsTop 20%
Overall (2002): #2,960 of 266,432Top 2%
8
Patents 2002

Issued Patents 2002

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
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