4. Amusement devices: toys
  5. Aquatic
  6. Boat

John C. Hardy

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Method of making a variable reluctance A.C. electrical generator

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Proportioning apparatus

Fluid handling – Self-proportioning or correlating systems – Self-proportioning flow systems
Patent

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Toy having the appearance of a boat

Amusement devices: toys – Aquatic – Boat
Patent

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Profile ID: LFUS-PAI-P-579636

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