Jan 272023
 

Light BulbIncandescent light bulb was patented by Thomas Edison in 1880. The patent number is 223898. Idea: In a drawing a light bulb above someone’s head indicates the person has developed a new idea. Children could draw light bulbs. They could surround the light bulbs with ideas of their own for new inventions. They could see his patent at: Light Bulb Patent.

Share Button