Inventor
DIEHL STEPHEN D
US4 patents
Patents
4 patentsUS6253766B1Jul 3, 2001
Continuous positive airway pressure therapy device
DHD HEALTHCARE CORP118 citations96
US6656129B2Dec 2, 2003
Flow based incentive spirometer
DHD HEALTHCARE CORP43 citations90
USD441070SApr 24, 2001
Continuous positive airway pressure therapy device
DHD HEALTHCARE CORP14 citations72
USD450124SNov 6, 2001
Flow based incentive spirometer
DHD HEALTHCARE CORP3 citations60