Patents by Inventor Barbara J. Madson

Barbara J. Madson 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).

  • Child car seat/stroller
    Publication number: 20040178593
    Abstract: A combination child car seat and stroller is disclosed. The car seat has a seat portion and a fastening mechanism for fastening the car seat to an airplane seat or automobile seat. A harness secures the child in the seat. A telescoping pull handle is attached to the seat back. A roller assembly is attached to the seat portion proximate to the seat back. The roller assembly includes two rollers and at least one axle. The car seat is convertible for use in an automobile, on the ground, or in an airplane without removing the child from the seat. A folding stabilizer may be used to keep the rollers off the ground when desired. A canopy may be provided. In another embodiment, a wheeled support frame is provided of the appropriate width and which has clamps for the attachment of a standard car seat.
    Type: Application
    Filed: March 26, 2004
    Publication date: September 16, 2004
    Inventors: Leszek G. Szmidt, Joseph J. Hudak, Keith J. Gale, Barbara J. Madson
  • Child car seat/stroller
    Patent number: 6729630
    Abstract: A combination child car seat and stroller is disclosed. The car seat has a seat portion and a fastening mechanism for fastening the car seat to an airplane seat or automobile seat. A harness secures the child in the seat. A telescoping pull handle is attached to the seat back. A roller assembly is attached to the seat portion proximate to the seat back. The roller assembly includes two rollers and at least one axle. The car seat is convertible for use in an automobile, on the ground, or in an airplane without removing the child from the seat. A folding stabilizer may be used to keep the rollers off the ground when desired. A canopy may be provided. In another embodiment, a wheeled support frame is provided of the appropriate width and which has clamps for the attachment of a standard car seat.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: May 4, 2004
    Inventors: Leszek G. Szmidt, Joseph J. Hudak, Keith J. Gale, Barbara J. Madson
  • Child car seat/stroller
    Publication number: 20030209885
    Abstract: A combination child car seat and stroller is disclosed. The car seat has a seat portion and a fastening mechanism for fastening the car seat to an airplane seat or automobile seat. A harness secures the child in the seat. A telescoping pull handle is attached to the seat back. A roller assembly is attached to the seat portion proximate to the seat back. The roller assembly includes two rollers and at least one axle. The car seat is convertible for use in an automobile, on the ground, or in an airplane without removing the child from the seat. A folding stabilizer may be used to keep the rollers off the ground when desired. A canopy may be provided. In another embodiment, a wheeled support frame is provided of the appropriate width and which has clamps for the attachment of a standard car seat.
    Type: Application
    Filed: May 10, 2002
    Publication date: November 13, 2003
    Inventors: Leszek G. Szmidt, Joseph J. Hudak, Keith J. Gale, Barbara J. Madson