TC

Tsung-Chieh Chang

Overall (1997): #21,012 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D384567 Handle for a hand tool 1997-10-07
D378729 Handle for a screwdriver 1997-04-08