Patents by Inventor Joel V. Koster

Joel V. Koster 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).

  • Children's wagon with improved removable walls
    Patent number: 6641149
    Abstract: A children's wagon has a molded plastic body including a horizontal floor with surrounding pockets. The wagon also includes front and rear wheels with the former mounted upon a pivoting bolster to which a handle is attached. Molded plastic front, rear and side walls surround the horizontal floor and are removably fastened to the body via their bottom edges by tabs and hook projections that engage the wagon body pockets. Horizontal surfaces are formed adjacent to the side edges of the front, rear and side walls. A knob and a cup are formed on each horizontal surface. The knobs of the side walls engage the cups of the front and rear walls while the knobs of the front and rear walls engage the cups of the side walls so that the front, rear and side walls are joined together in a secure but removable fashion.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: November 4, 2003
    Assignee: Radio Flyer Inc.
    Inventors: Gary T. Chiappetta, Bryan M. Fox, Joel V. Koster, Frederick J Michelau
  • Children's wagon with improved removable walls
    Publication number: 20030038440
    Abstract: A children's wagon has a molded plastic body including a horizontal floor with surrounding pockets. The wagon also includes front and rear wheels with the former mounted upon a pivoting bolster to which a handle is attached. Molded plastic front, rear and side walls surround the horizontal floor and are removably fastened to the body via their bottom edges by tabs and hook projections that engage the wagon body pockets. Horizontal surfaces are formed adjacent to the side edges of the front, rear and side walls. A knob and a cup are formed on each horizontal surface. The knobs of the side walls engage the cups of the front and rear walls while the knobs of the front and rear walls engage the cups of the side walls so that the front, rear and side walls are joined together in a secure but removable fashion.
    Type: Application
    Filed: August 27, 2001
    Publication date: February 27, 2003
    Inventors: Gary T. Chiappetta, Bryan M. Fox, Joel V. Koster, Frederick J. Michelau
  • Children's wagon
    Patent number: D458648
    Type: Grant
    Filed: March 5, 2001
    Date of Patent: June 11, 2002
    Assignee: Radio Flyer, Inc.
    Inventors: Gary Chiappetta, Bryan M. Fox, Joel V. Koster
  • Tricycle
    Patent number: D461145
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: August 6, 2002
    Assignee: Radio Flyer Inc.
    Inventors: Gary Chiappetta, Joel V. Koster, Bryan M. Fox