4. Baths, closets, sinks, and spittoons
  5. Pool type
  6. Construction details

D. Mason Allen

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Bar clamp connection

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate

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Barbell using dumbbells as weight

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent

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Flotation apparatus

Buoys – rafts – and aquatic devices – Body supporting buoyant device
Patent

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Skateboard

Land vehicles – Wheeled – Coasters
Patent

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Water level control

Baths – closets – sinks – and spittoons – Pool type – Construction details
Patent

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Profile ID: LFUS-PAI-P-1081909

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