4. Supports
  5. Resilient support
  6. Constant thrust

W. Duane Hamilton

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Adjustable support for a headrest

Supports – Brackets – Adjustable
Patent

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Drive mechanism

Electrical generator or motor structure – Dynamoelectric – Rotary
Patent

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Lens generating apparatus

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Mechanical counterbalance

Supports – Resilient support – Constant thrust
Patent

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Wheelchair

Land vehicles – Wheeled – Occupant propelled type
Patent

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Profile ID: LFUS-PAI-P-352322

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