Patents by Inventor Bernard Hasara

Bernard Hasara 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).

  • Bridge construction method
    Patent number: 4047256
    Abstract: A bridge construction method comprising removing the trucks and wheels from a flatbed type railroad car to provide a bridge substructure, preparing support means upstanding from an area to be bridged for emplacement of the substructure, and emplacing the substructure on the support means over the area.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: September 13, 1977
    Inventor: Bernard Hasara