US Patent 11905149 Manhole cover lifting device
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US Patent 11905149 Manhole cover lifting device
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Patent abstract
A device for lifting a metal cover may include a rope having a first end and a second end and a magnet connected to the first end of the rope. The magnet may be configured to be applied to a manhole cover, and upon applying an upward force to the second end of the rope, the magnet pulls the manhole cover upward.
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Patent Inventor Names
Scott R. Hilderbrand0
Date of Patent
February 20, 2024
0Patent Application Number
174909040
Date Filed
September 30, 2021
0Patent Citations
Patent Primary Examiner
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