Patents by Inventor Rajindar K. Wadwha

Rajindar K. Wadwha has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4893620
    Abstract: A nasal airway in a preferred embodiment includes a tubular housing and an airway tube which in the storage position is received at least partially within the tubular housing and in a second position projects outwardly therefrom. The airway tube may have one or more auxiliary openings disposed between the ends thereof. A first closure may close the end of the tubular housing to which the airway tube may be secured and a second closure may close the other end. A blade or the like for performing a tracheostomy may be associated with the second closure. A tracheostomy tube and associated cannula are provided. The multipurpose nasal airway may also be provided with writing equipment such as a reservoir of ink and associated discharge point or a flashlight or other independently useful article.
    Type: Grant
    Filed: February 18, 1988
    Date of Patent: January 16, 1990
    Inventor: Rajindar K. Wadwha