Patents Assigned to Elgood Mayo Corp.
  • Guide rail climbing lifting platform and method
    Patent number: 6357549
    Abstract: A guide rail system is used to erect towers, to place equipment on towers and for maintenance of towers. The guide rail may be added to existing towers, a climbing lifting platform is attached to the guide rails and is used to transport items up and down the tower. The platform may also be used to carry up tower sections during erection of the tower.
    Type: Grant
    Filed: June 2, 2000
    Date of Patent: March 19, 2002
    Assignees: D. H. Blattner & Sons, Inc., Elgood Mayo Corp.
    Inventors: Donald D. Brennan, Brent R. Leisening, Carl W. Diedrich, George M. Burkhart, Ralph Douglas Fredrickson