YK

Yao-Tin Ker

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Ren'ai Township, TW: #11 of 30 inventorsTop 40%
Overall (All Time): #3,822,513 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5205466 Manufacturing method of austenitic stainless steel self-tapping and self-drilling screw — 1993-04-27