TC

Ti-Li Chang

Overall (All Time): #736,296 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
9433739 Inner type tracheostomy tube Sheng-Yu Chiu 2016-09-06
8127766 Tracheostomy tube with a swiveled connector 2012-03-06
7047973 Laryngeal mask airway 2006-05-23
D499803 Medical facemask 2004-12-14
6761324 Vacuum gun for a suction device 2004-07-13
6705322 Laryngeal mask airway 2004-03-16
6408853 Medical facemask and a mold for manufacturing the medical facemask 2002-06-25