4. Earth working
  5. With drive means for tool or cleaner
  6. Vibrating tool

Mark D. Bird

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Conical magnet

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate

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Hydraulic flow control system

Power plants – Pressure fluid source and motor – Having condition responsive control in a system of...
Reexamination Certificate

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Repeating pulsed magnet

Radiant energy – Electrically neutral molecular or atomic beam devices and...
Reexamination Certificate

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Split Florida-helix magnet

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Reexamination Certificate

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Superconducting levitation magnet

Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Superconductive type
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1374341

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