Patents by Inventor Shaotsu Thomas Lee

Shaotsu Thomas Lee 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).

  • Ventilating endoscopes
    Patent number: 3941120
    Abstract: High pressure oxygen is released through a side of an open-ended ventilating bronchoscope or laryngoscope into its lumen in a direction toward a distal end. The oxygen draws air through the proximal end. Medical gasses and vapors are drawn through an entrainment arm at the side of a ventilating endoscope by oxygen which is released near the distal point of confluence of the entrainment arm and the scope lumen.
    Type: Grant
    Filed: January 16, 1975
    Date of Patent: March 2, 1976
    Inventor: Shaotsu Thomas Lee