QY

Qing Yin

UN Unknown: 4 patents #24 of 3,294Top 1%
Overall (2016): #36,602 of 481,213Top 8%
4
Patents 2016

Issued Patents 2016

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9505417 Folding table and chair device Chin-Chen Chang 2016-11-29
9463717 Rotatable vehicle seat frame assembly Chin-Chen Chang 2016-10-11
9295333 Foldable leg rest Chin-Chen Chang 2016-03-29
9232860 Foldable leg rest Chin-Chen Chang 2016-01-12