YL

Yueh-Pei Liu

Overall (All Time): #1,133,433 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11772225 Pneumatic device 2023-10-03
7565934 Handle device for a hammer gun Chun-Hao Chen 2009-07-28
7413030 Pneumatic hammer drill having vibration damping end cap Chun-Hao Chen 2008-08-19
7383894 Pneumatic hammer drill (I) Chun-Hao Chen 2008-06-10