TC

Tuz-Fen Chen

Overall (All Time): #1,608,179 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6666356 Grease gun with a rotary oil injection tube — 2003-12-23
6516659 Electronic tire pressure gauge with a rotary pressure measuring head — 2003-02-11
D460168 Air purifier — 2002-07-09