Which accidental invention's distinctive yellow color became so synonymous with its brand that the company legally trademarked Pantone 123 C as their signature color?

In the world of inventions and discoveries, some of the most revolutionary products came about by complete accident. In 1928, a scientist's mistake led to the creation of a product that would transform multiple industries and spawn a massive retail brand. The company's signature color became so iconic that it's instantly recognizable worldwide. Test your knowledge about this accidental discovery that changed our approach to everyday problems!

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• Post-it Notes (3M)
• WD-40 lubricant
• Scotchgard fabric protector
• Super Glue (Eastman Kodak)

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