4. Land vehicles
  5. Wheeled
  6. Extensible

Heinrich Perk

Inventor

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Stand-up wheelchair

Transportation – Perambulator – invalid chair – or stretcher – Wheelchair
Design Patent

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Stand-up wheelchair

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Stand-up wheelchair

Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate

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Wheelchair, particularly electric wheelchair

Land vehicles – Wheeled – Extensible
Reexamination Certificate

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Profile ID: LFUS-PAI-P-3085515

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