4. Bridges
  5. Gangway, ramp, or dock leveler
  6. Attached

Douglas H. Massey

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Dock leveler

Bridges – Gangway – ramp – or dock leveler – Attached
Reexamination Certificate

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Dock leveler having a ramp movable to a raised position by infla

Bridges – Gangway – ramp – or dock leveler – Attached
Patent

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Dock leveler having an improved support leg mechanism

Bridges – Gangway – ramp – or dock leveler – Attached
Reexamination Certificate

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Dock leveler having an inflatable member

Bridges – Gangway – ramp – or dock leveler – Attached
Patent

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Dock leveler having an inflatable member

Bridges – Gangway – ramp – or dock leveler – Attached
Reexamination Certificate

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Profile ID: LFUS-PAI-P-596603

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