Patents by Inventor Laughlin Sumners

Laughlin Sumners 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).

  • Trolley for carrying loaded rack
    Patent number: 8109708
    Abstract: The trolley includes a member which supports the shoe of a loaded rack. The member has a horizontal limb which extends beneath the shoe and first and second housings each having vertically adjustable casters. One of the housings is connected to the member while the other has a clamp for attaching the housing to the horizontal limb of the member. As the casters descend, the shoe rises with resulting raising of the foot from the floor on which the rack rests.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: February 7, 2012
    Inventors: Megan Foote, Laughlin Sumners
  • Trolley for carrying loaded rack
    Publication number: 20100129186
    Abstract: The trolley includes a member which supports the shoe of a loaded rack. The member has a horizontal limb which extends beneath the shoe and first and second housings each having vertically adjustable casters. One of the housings is connected to the member while the other has a clamp for attaching the housing to the horizontal limb of the member. As the casters descend, the shoe rises with resulting raising of the foot from the floor on which the rack rests.
    Type: Application
    Filed: November 25, 2009
    Publication date: May 27, 2010
    Inventors: Megan Foote, Laughlin Sumners