AMPJACK INDUSTRIES LTD.
AMPJACK INDUSTRIES LTD. Patent applications | ||
Patent application number | Title | Published |
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20130283726 | UTILITY TOWER LIFTING APPARATUS AND METHOD - A utility tower lifting apparatus and method for raising a lattice tower in addition to carried transmission cables without disturbing the tower foundation, disconnecting the cables, or requiring de-energization of the transmission lines. | 10-31-2013 |