4. Exercise devices
  5. For head or neck

Michael J. Schaefer

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Elbow and forearm rehabilitation device

Undertaking
Patent

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Grain drill planting depth control

Planting – Drilling – Furrow closer
Patent

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Hydraulically operated grade scraper

Earth working – Diverse tools – Second implement follows path of first
Patent

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Method for demonstrating a lifting technique

Education and demonstration – Physical education – Developing or testing coordination
Patent

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Neck exercise device

Exercise devices – For head or neck
Patent

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Profile ID: LFUS-PAI-P-507964

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