The 10 Best Hard Hats Ezvid
The 10 Best Hard Hats. Updated January 03, 2020 by Ezra Glenn Resources. Ebay ... The original concept of the hard hat comes from a California mining equipment firm known as the Bullard Company, founded by Edward Dickinson Bullard in 1898. By the year 1919, Bullard patented what he called the HardBoiled Hat, which was constructed from steamed canvas, glue, and black paint. A .