Inventor

CHIANG CHI-HSIUNG

TW3 patents

Patents

3 patents

US6866481B2Mar 15, 2005

Ventilator having an optimum fan structure

US6844691B2Jan 18, 2005

Ventilator having an abnormal operation indication device

US6794843B2Sep 21, 2004

Ventilator having a muting device