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1882 Edison Bulb Patent Backlit LED Clock Collectable Sign

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1887 Pharmacist Druggist Mortar Backlit LED Clock Collectable Sign

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1898 Prescott Roller Coaster Patent Backlit LED Clock Collectable Sign

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1899 Bausch Microscope Patent Backlit LED Clock Collectable Sign

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1903 Fire Hydrant Patent Backlit LED Clock Collectable Sign

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1916 Howard Hughes Oil Drilling Rig Patent Backlit LED Clock Collectable Sign

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1922 First Traffic Signal G. A. Morgan Patent Backlit LED Clock Collectable Sign

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1929 Soda Fountain Drink Mixer Patent Backlit LED Clock Collectable Sign

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1934 Kitchen Mixer Patent Backlit LED Clock Collectable Sign

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1935 Monopoly Game Patent Backlit LED Clock Collectable Sign