SC

Shih-Yi Chen

PN Power Tech Staple And Nail: 2 patents #1 of 3Top 35%
Overall (2023): #109,674 of 537,848Top 25%
2
Patents 2023

Issued Patents 2023

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11624314 Combustion chamber valve and fuel system for driven fastener hand tool Raymond Wong, Chin-Chuan Chen 2023-04-11
11554471 Elastomeric exhaust reed valve for combustion driven fastener hand tool Raymond Wong, Chin-Chuan Chen 2023-01-17