Patents by Inventor Joe Markusen

Joe Markusen 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: 20150267469
    Abstract: The present invention is a multi-purpose ladder. It is a fully functional approximately 6 feet step ladder which most people have, and it also serves as a 6 feet platform when laid horizontally that will extend approximately 12-18 inches off the floor. The invention is useful when a person needs to reach higher than they can reach with both feet on the ground such as working on the ceiling or the top of the wall (painting) or doing trim and crown molding. It is also useful when moving a ladder every couple of feet gets tedious and time consuming. The ladder plank of the present invention allows people to cover more space with less moving of the ladder.
    Type: Application
    Filed: March 21, 2014
    Publication date: September 24, 2015
    Inventor: Joe Markusen