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Scotch Tape is used to describe certain pressure sensitive tapes manufactured by 3M as part of the company's Scotch brand.
The precursor to the current tapes was developed in the 1930s by Richard Drew to seal a then-new transparent material known as cellophane. Although it is a trademarked brand name, it is sometimes used in the US and elsewhere as a generic term for transparent adhesive tape. The Scotch brand includes many different constructions of tape.