Respiratory exerciser

Surgery – Truss – Pad

Patent

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Details

272 99, A61B 508, A63B 2300

Patent

active

044415060

ABSTRACT:
A respiratory exerciser having the features of being fabricated from cardboard and plastic stamped parts which are glued together and which fold up into a compact box for ease of storage including stowage of the connecting hose and mouthpiece inside the box. Many different forms, variations and optional features are also provided.

REFERENCES:
patent: 2807079 (1957-09-01), Josephson
patent: 3481310 (1969-12-01), Alburger
patent: 3650551 (1972-03-01), Akers
patent: 3993050 (1976-11-01), Robinson et al.
patent: 4324260 (1982-04-01), Puderbaugh
patent: 4345605 (1982-08-01), Gereg
patent: 4349015 (1982-09-01), Alferness
patent: 4363328 (1982-12-01), Poirier et al.

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