Patents by Inventor Florence Riaboy

Florence Riaboy 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: 4354489
    Abstract: Improved disposable nose and mouth filter masks are disclosed each of which is comprised of a sheet of a suitable air filtering material, sized and configurated for use in pairs to individually loosely cover the mouth and nostrils of the face of a wearer. A continuous peripheral adhesive strip is applied to peripheral edge areas of the filters with a removable backing strip being normally engaged on the inner exposed adhesive surface, the adhesive strips being applied in overlapping relation in the area between the nose and mouth of the user.
    Type: Grant
    Filed: October 20, 1980
    Date of Patent: October 19, 1982
    Inventor: Florence Riaboy
  • Patent number: 4240420
    Abstract: Individual disposable nose and mouth filters, in combination, each of which is comprised of a sheet of a suitable air filtering material, sized and configurated respectively to loosely cover the mouth and nostril portions of the face of a wearer, continuous strips of a suitable pressure sensitive adhesive tape are engaged in a peripheral relation to outer peripheral edge areas of the respective filters and outer periphers of the adhesive tape, normally covered by removable backing strips, are extended beyond the filters for secure engagement with face areas surrounding the mouth and nostril areas of the wearer's face.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: December 23, 1980
    Inventor: Florence Riaboy