Inventor
CLIFFORD EARL W
7 patents
Patents
7 patentsUS4040428AAug 9, 1977
Control valves for tracheotomy patient or laryngeal prosthesis
ARO CORP136 citations94
US4205551AJun 3, 1980
Seal tester
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US4385517AMay 31, 1983
Method and apparatus for measuring the permeability of a material
ARO CORP32 citations90
US3952335AApr 27, 1976
Laryngeal prosthesis
ARO CORP48 citations90
US4330428AMay 18, 1982
Smoke generator
ARO CORP18 citations72
US4128451ADec 5, 1978
Roller members for use in heat sealing apparatus
ARO CORP14 citations71
US4478070AOct 23, 1984
Vacuum package tester and method
ARO CORP10 citations69