Patents by Inventor James E. Malczewski

James E. Malczewski 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 safety barrier for use in a driveway
    Patent number: 6301831
    Abstract: A safety barrier positionable across a path for deterring rolling objects from passing beyond the barrier includes an elongate hollow member having open lateral ends. The elongate hollow member includes a base for positioning on a surface and an upwardly extending wall having an arcuate concave surface for hindering rolling objects from passing beyond the barrier.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: October 16, 2001
    Inventors: John P. Cundy, James E. Malczewski