Patents Assigned to Norman McCombs
  • Respiratory exerciser
    Patent number: 4441506
    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.
    Type: Grant
    Filed: May 18, 1981
    Date of Patent: April 10, 1984
    Assignee: Norman McCombs
    Inventors: Norman R. McCombs, Grace N. McCombs