Title:
COLLAPSIBLE FILTER FOR FLUID FLOWING IN CLOSED PASSAGEWAY
United States Patent 3540431
Inventors:
Mobin-uddin, Kazi
Publication Date:
11/17/1970
Assignee:
Kazi, Mobin Uddin
Other Classes:
606/200, 210/448
International Classes:
A61F2/01; A61B19/00