Patents by Inventor Ed Watrobka

Ed Watrobka 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).

  • Patent number: 5308274
    Abstract: A toy vehicle racing system in which sparks are created as the vehicles travel around the racing track. The system includes a sparking rail having a rough surface which interacts with a sparking element mounted on a toy vehicle to create the sparks. The sparking element may be mounted on a swinging member that is adapted to pivot out from the vehicle to engage the rough surfaced sparking rail. The system further includes a sparking vehicle with a rough surface that interacts with a sparking element mounted on another vehicle to create sparks as the vehicles move past one another along the track.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: May 3, 1994
    Assignee: Marchon, Inc.
    Inventors: Ed Watrobka, Dan Polanek