Patents by Inventor D. Wayne Hartley

D. Wayne Hartley 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: 4625832
    Abstract: An ancillary ladder support or leg is disclosed which may be attached to ladders of various types (including wood, metal, or fiberglass) and configurations to provide additional support and stability for the ladder. The device uses the leg member of the device to engage a fastener so as to allow attachment, removal and repositioning of the device relative to the ladder without the use of additional tools.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: December 2, 1986
    Inventor: D. Wayne Hartley