WL

Win-Yin Liu

Overall (2002): #18,657 of 266,432Top 8%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6390613 Ink-refilling device for ink cartridge of a jet printer — 2002-05-21
6386691 Ink cartridge of a printer facilitating second refilling — 2002-05-14
6364473 Refilling needle for refilling an ink cartridge — 2002-04-02