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 ...
Bullard’s Vector, Type II Cap style helmet provides Class E & G protection as well as the look of a traditional hard hat with a list price of $50. Bullard’s Vector is both ANSI/ISEA Type II as ...
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