When were the first stone tools invented&used?

Answer According to the American Museum of Natural History, the first stone tools, "sharp-edged flakes of rock," were invented and used around 2.5 million years ago. These tools marked "the beginnings of ... Read More »

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How many marines were there when they were first created?

When were Dewalt cordless power tools invented?

Robert DeWalt formed the DeWalt Products Company in Leola, Pennsylvania, in 1924. The DeWalt Wonder-Worker, a table saw, was the first machine produced. In 1994, DeWalt introduced more than 30 cord... Read More »

When were first aid kits first sold?

When were the first scanners first sold in the U.S.?

The first ever computer scanner was created by a company named Microtek. The scanner was a black and white desktop model. It was sold in the United States in 1984.References:Microtek: About Microtek