Patents by Inventor Robert D. Sampson

Robert D. Sampson 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).

  • Nasal oxygen cannula pad
    Patent number: 4949733
    Abstract: An elongated cylinder of yieldable material is longitudinally slit in the shape of a "T", whereby it is easily mounted on nasal cannula tubing by lateral pressure and adjusted to the area where the tubing passes about the ears, functioning as a pad and helping to prevent local skin irritation.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: August 21, 1990
    Inventor: Robert D. Sampson