Patents by Inventor Joseph J. Drago

Joseph J. Drago 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).

  • Train car compensator for platform gap spacing
    Publication number: 20080134930
    Abstract: Compensating landing plates automatically deploy from a subway or railroad car as its doors open in spanning any gap spacing between the car and a station platform where the car stops.
    Type: Application
    Filed: June 21, 2007
    Publication date: June 12, 2008
    Inventor: Joseph J. Drago