4. Land vehicles
  5. Wheeled
  6. Extensible

Marion H. Ewers

Inventor

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Collapsible walker

Land vehicles – Wheeled – Extensible
Patent

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Orthopedic arm sling

Surgery – Truss – Perineal
Patent

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Patient handling system

Beds – With means for relocating an invalid – With a hoisting – lifting – elevating – or raising device
Patent

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Solar water heater, method of construction and stock water heati

Stoves and furnaces – Tool having fluid fuel burner – Soldering iron
Patent

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Vertical axis wind turbine

Fluid reaction surfaces (i.e. – impellers) – Cupped reaction surface normal to rotation plane – Torque converters
Patent

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Profile ID: LFUS-PAI-P-831060

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