But in 1919, Edward D. Bullard of San Francisco, California developed the first hard hat, basing it on the Doughboy helmet he wore as a soldier in World War I. The helmet was made of canvas, glue, and ...

The AboveView and AboveView Elevate hard hats are the first and only hard hats on the market that feature Bullard’s patented, front visor. The visor, which is available in clear, grey-tint ...