Patents by Inventor Joseph Bartok

Joseph Bartok 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).

  • Publication number: 20080121549
    Abstract: A paint tray has a tray-like main body with a base surrounded by front, rear and side walls for retaining paint therein. The side walls have upwardly and rearwardly extending attachment portions adjacent their rear ends. The attachment portions have curved end portions above the rear wall to enable the tray to be attached to laterally spaced uprights of a ladder by engaging the curved end portions with respective uprights, with other portions of the tray engaging the uprights below the curved end portions.
    Type: Application
    Filed: November 6, 2007
    Publication date: May 29, 2008
    Inventor: Joseph Bartok
  • Patent number: 4382459
    Abstract: A wood splitting maul includes a maul head having two inclined blade faces that meet to form a sharpened blade edge. A plurality of elongated, cylindrical roller bearing elements are rotatably disposed in respective recesses in each of the blade faces and extend outwardly from the blade faces to force the walls of a split being formed in a log to move away from a portion of the blade faces, reducing friction between the walls of the split and the blade faces.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: May 10, 1983
    Inventor: Joseph Bartok