Patents by Inventor Ronald E. Marshall

Ronald E. Marshall 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).

  • Ladder support device
    Patent number: 8783534
    Abstract: A ladder support device is disclosed for engaging a ladder. The ladder supporting device comprises a base plate having a first hanger plate and a second hanger plate extending from the base support plate. A first retainer plate and a second retainer plate extend from the first hanger plate and the second hanger plate respectively. A clip plate extends from the base plate for receiving the waistband and securing the base plate to the individual. The base plate, the first hanger plate and the first retainer plate define a first carriage for engaging the step of the ladder. The base plate, the second hanger plate and the second retainer plate define a second carriage for engaging the first stringer or the second stringer of the ladder.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: July 22, 2014
    Inventor: Ronald E. Marshall