Patents Assigned to Utility Vault Co., Inc.
  • Cushioned railroad truck roadway crossing module
    Patent number: 4754921
    Abstract: A cushioned railroad track roadway crossing module comprises a base having a central raised section and a pair of opposite depressed side sections. Releasable rail fixation members for releasably fixing a pair of rails to the base in substantially parallel relation to each other are mounted one on each side of the base, substantially at the boundary between the central and side base sections.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: July 5, 1988
    Assignee: Utility Vault Co., Inc.
    Inventor: Paul G. Harmon