4. Chairs and seats
  5. Armrest
  6. Attachable to diverse chairs or seats; i.e., portable

Frederick D. Griswold, Jr.

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Adjustable armrest with integral vehicle controls

Chairs and seats – Armrest – Attachable to diverse chairs or seats; i.e. – portable
Patent

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Remote control system for earth working vehicle

Material or article handling – Vertically swinging load support – Shovel or fork type
Patent

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Uplift sensor

Measuring and testing – Surface and cutting edge testing – Roughness
Patent

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