Patents by Inventor David Landefeld

David Landefeld 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).

  • Compact dolly
    Publication number: 20050161915
    Abstract: A collapsible, wheeled dolly designed for enhanced portability and storage capabilities having at least one axle member, one frame member, a mechanism for carrying a load and at least one wheel.
    Type: Application
    Filed: February 9, 2005
    Publication date: July 28, 2005
    Inventor: David Landefeld
  • Compact dolly
    Publication number: 20040001748
    Abstract: A collapsible, wheeled dolly designed for enhanced portability and storage capabilities having at least one axle member, one frame member, a means for carrying a load and at least one wheel.
    Type: Application
    Filed: June 28, 2002
    Publication date: January 1, 2004
    Inventor: David Landefeld