Patents by Inventor Andrew J. Helmbreck

Andrew J. Helmbreck 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: 4288878
    Abstract: The disclosure teaches a painter's protective device providing a mask adapted to cover the forehead, eyes and nose of the wearer and having suitable eye holes and a visor projecting outwardly from the forehead portion of the mask above the eye holes and means for retaining the mask on the wearer's head. In a preferred embodiment the eye holes are covered by a screen.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: September 15, 1981
    Assignee: Russell C. Rogge
    Inventor: Andrew J. Helmbreck