Title:
THERAPEUTIC INTERMITTENT POSITIVE PRESSURE RESPIRATOR
United States Patent 3434471
Inventors:
Liston, Max D.
Publication Date:
03/25/1969
Assignee:
SMITHKLINE CORP
Other Classes:
261/DIG.065, 128/203.270, 261/142
International Classes:
A61M16/00; A61M16/16; A61M16/20; A61M16/10; A62B7/00