4. Land vehicles
  5. Wheeled
  6. Tiltable vehicles, stabilized by attendant or article

Carl N. Mortenson

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Automatically shifting stair climber structure for a repositiona

Land vehicles – Step or abutment ascending type vehicle – With endless track
Patent

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Hand truck assemblies and methods of constructing and operating

Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent

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Hand truck construction

Land vehicles – Wheeled – Extensible
Patent

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Hand truck construction assembly

Land vehicles – Step or abutment ascending type vehicle – With skid or rollerway
Patent

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Improvements in hand trucks with pivotally connected, spreadable

Land vehicles – Wheeled – Tiltable vehicles – stabilized by attendant or article
Patent

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Profile ID: LFUS-PAI-P-228876

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