4. Elevator, industrial lift truck, or stationary lift for vehicle
  5. Stationary lift for roadway vehicle or required component...
  6. Having specific drive means for support

Paul W. Roloff

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Automatic hydraulic lift circuit

Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent

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Automotive lift hydraulic fluid control circuit

Motors: expansible chamber type – Relatively movable working members with one having motive... – Synchronizing in response to sensed difference in positions
Reexamination Certificate

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Profile ID: LFUS-PAI-P-735850

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