WL

Win-Yin Liu

Overall (All Time): #662,571 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6688734 Pull handle of an ink refill cylinder 2004-02-10
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
6213597 Apparatus for ink cartridge of a jet printer 2001-04-10
6172695 Ink replenishing device for link cartridge of a jet printer 2001-01-09
6158848 Refilling device for ink cartridge of a jet printer 2000-12-12
6056395 Device to prevent from ink interruption in a printing head of an ink cartridge in a printer 2000-05-02