WL

Wen-Hsin Liao

CC Ching Lin Industrial Co.: 6 patents #1 of 1Top 100%
Overall (All Time): #507,608 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
D851507 Spirit level 2019-06-18
D659561 Combined level and square 2012-05-15
D598310 Leveling device 2009-08-18
D597871 Leveling device 2009-08-11
D580283 Laser level 2008-11-11
D526915 Leveling device 2006-08-22
D526225 Leveling device 2006-08-08
7069661 Laser leveling device having selectable light beam 2006-07-04
D499031 Level device 2004-11-30
D495263 Leveling device 2004-08-31