Who invented the cement roller?

 The cement roller, also known as a cement roller press or roller press, is a machine that is used to press powdery materials into sheets or other forms. The cement roller was invented in the early 20th century and has since been used in a variety of industrial and manufacturing processes, including the production of cement, paper, and other materials.

It is not clear who specifically invented the cement roller, as the development of this technology likely involved the contributions of multiple individuals and organizations over time. The cement roller is a complex machine that involves a number of mechanical, electrical, and other components, and it is likely that the invention of the cement roller was the result of the combined efforts of engineers, inventors, and other individuals who were involved in the development and refinement of this technology.

Overall, the cement roller is a valuable tool that has played a significant role in a variety of industrial and manufacturing processes. It was invented in the early 20th century and has been continually improved upon and refined over time.