Ernie Fraze's Human Design Chart

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American engineer who invented the pull-tab opener used in beverage cans. Fraze started his career in Ohio as a machine tool operator in the 1940s, and established the Dayton Reliable Tool & Manufacturing Company, his own machine tool business in 1949.
The first type of pull-tab opener that he created is not the in modern usage; it was dangerous for the user often causing injury. It used a lever that pierced a hole in the top of the can which produced sharp edges. Later, he established a mechanism known as the “pull-tab” can. Users are simply required to pull a removable tab to open the drink. He received U.S. patent No. 3,349,949 for invention in 1963, and subsequently sold his invention to Alcoa. By 1965, around 75% of U.S. breweries were using them. However, in the mid-1970s, pressure from environmentalists led to the development of the non-removable tabs used today.
Ermal Fraze died on 26 October 1989 in Kettering, Ohio, aged 76, from a brain tumour.
Link to Wikipedia biography

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