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When was wd-40 invented?

Updated: 9/17/2023
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12y ago

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WD-40 was invented in 1953 as a corrosion-resistant coating for missile covers.

WD-40's formula and manufacturing process remain a highly guarded trade secret, not unlike the recipes for Coca-Cola or Kentucky Fried Chicken. As such, it has never been patented.

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12y ago
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