Patents by Inventor Jefferson H. Page

Jefferson H. Page 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).

  • Bite operated viewport
    Patent number: 4706301
    Abstract: A viewport for a welder's protective mask or the like, with a semitransparent window arranged to be opened by mandibular action of the user for inspection of a newly set weld, for example, while leaving both hands free to hold or manipulate other equipment.
    Type: Grant
    Filed: July 3, 1986
    Date of Patent: November 17, 1987
    Inventor: Jefferson H. Page