Waldo Lonsbury Semon invents PVC
From ETHW
In 1926, Waldo Lonsbury Semon invented plasticized polyvinyl chloride (PVC). This became one of the world's most versatile and widely used construction materials.
In 1926, Waldo Lonsbury Semon invented plasticized polyvinyl chloride (PVC). This became one of the world's most versatile and widely used construction materials.