Patents by Inventor B. Stewart Smith

B. Stewart Smith 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: 4944312
    Abstract: A face shield assembly for the protection of the eyes and face of a wearer from infectious, hazardous or undesirable substances. The shield assembly includes a semi-flexible forehead support strip joined at its ends to the ends of a semi-flexible protective face panel support strip. The forehead support strip includes a central strip portion, intermediate strip portions foldable to (and extending outwardly from) the central portion, and end strip portions foldable to (and extending outwardly from) the intermediate strip portions. A semi-flexible, transparent protective face panel is affixed at its upper edge portion to the face panel support strip. An elastic head band is affixed at its ends to an end of the forehead support strip and extends through slip fasteners affixed to the central strip portion of the forehead support strip proximate the fold line between the central portion and the intermediate strip portions.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: July 31, 1990
    Inventor: B. Stewart Smith
  • Patent number: 4867178
    Abstract: A light-weight, disposable face shield assembly for the protection of the eyes and face of a wearer from accidental exposure to infectious, hazardous or undesirable substances. The shield assembly includes an elongated, semi-flexible head support strip divided into four foldable segments and a rectangular, semi-flexible, transparent protective face panel affixed at its upper edge portion to an intermediate face panel support segment of the head support strip. The intermediate face panel support segment is bounded on one side by a forehead support segment of shorter length than the face panel support segment and on the other side by first and second head support segments.
    Type: Grant
    Filed: October 13, 1988
    Date of Patent: September 19, 1989
    Inventor: B. Stewart Smith