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In 1905, Mogridge created the first crude protective head gear and was granted patent No. 780899 for a head protector.. This first attempt at a batting helmet was said to look like an inflatable boxing glove that wrapped around the hitters head..
The Pittsburgh Pirates were the first team to wear them (because Charlie Muse, who invented the plastic helmet, worked in the Pirates' organization) and for years were the laughing stock of the game, considered wimps and pansies for protecting their heads.