Which language-focused company coined the term 'xerox' that later became a genericized trademark (verbified brand name) for photocopying?

Test your knowledge about famous linguistic product branding! Language and linguistics have played crucial roles in creating some of the world's most recognizable brand identities. From clever wordplay to invented terms that became part of our everyday vocabulary, language experts have shaped how companies communicate with consumers. See if you can identify this famous linguistic innovation that revolutionized a brand's identity.

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Xerox Corporation (originally The Haloid Photographic Company)
Kodak Eastman Company
Webster Dictionary Publishers
Linguaphone Language Institute