CH

Chih-Ching Hsieh

Overall (2004): #6,290 of 270,089Top 3%
6
Patents 2004

Issued Patents 2004

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
6739222 Ratchet socket 2004-05-25
6732613 Screwdriver with changeable operation modes 2004-05-11
6722235 Torque wrench with a scale 2004-04-20
6701808 Wrench capable of preventing a screwed member from slipping out and holding the screwed member 2004-03-09
6684739 Hand tool angle adjustment structure 2004-02-03
D484760 Spanner with two heads 2004-01-06