Assignee
HEALTHSCAN INC
US5 patents
Top patents by PatentIndex Score
US4854574AAug 8, 1989
Inspirator muscle trainer
HEALTHSCAN INC114 citations93
US4944306AJul 31, 1990
Spirometer for pulmonary measurement
HEALTHSCAN INC38 citations89
USD280765SSep 24, 1985
Design for inspiratory muscle trainer
HEALTHSCAN INC45 citations89
US4533137AAug 6, 1985
Pulmonary training method
HEALTHSCAN INC199 citations89
USD315583SMar 19, 1991
Inspiratory muscle exerciser or similar article
HEALTHSCAN INC19 citations79