What did Lewis lattimer helped develop?

Lewis Latimer was instrumental in the development of the incandescent light bulb and made significant contributions to electric lighting. He invented a carbon filament that improved the durability and efficiency of light bulbs, which greatly enhanced their commercial viability. Additionally, Latimer played a key role in the drafting of patent applications for Thomas Edison’s electric light system and worked on the installation of lighting systems in public spaces. His innovations helped pave the way for widespread electrical illumination.