DL

David Ling

HD Hand Tool Design: 2 patents #3 of 6Top 50%
📍 Taichung, TX: #2 of 4 inventorsTop 50%
Overall (2003): #71,011 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6629477 Reversible ratchet wrench with high torsion Hsien-Chung Tuan-Mu 2003-10-07
6523687 Toolbox with dual tool-receiving grooves and display in both sides thereof 2003-02-25