John D. Birdsall

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Flexible track for electrically energized miniature vehicles

Railways: surface track – Portable track – Simulated roadbeds
Patent

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Flexible track for electrically energized miniature vehicles

Railways: surface track – Portable track – Simulated roadbeds
Patent

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Game board with pivotal planar member

Amusement devices: games – Board games – pieces – or boards therefor – Piece moves over board having pattern
Patent

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Pencil sharpener

Woodworking – Special-work machine – Pencil sharpening
Patent

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Rotatable music toy

Games – toys – and sports goods – Toy – Representation or scale model
Patent

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Profile ID: LFUS-PAI-P-230046

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