Great inventions

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This patent image was created by using U.S. Patent #US 438,310 Light Bulb Lamp Base was patented in 1890 by its inventor Thomas Edison. In this light bulb invention, Edison modified his incandescent lamps to work in a variety of manufacturers sockets - which at the time were often incompatible with each other. Patent p Thomas Edison Light Bulb, Bulb Drawing, Light Bulb Drawing, Edison Lamp, Edison Lighting, Light Bulb Lamp, Thomas Edison, Patent Art, Incandescent Lamp

This patent image was created by using U.S. Patent #US 438,310 Light Bulb Lamp Base was patented in 1890 by its inventor Thomas Edison. In this light bulb invention, Edison modified his incandescent lamps to work in a variety of manufacturers sockets - which at the time were often incompatible with each other. Patent p

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