A trademark is a word, name, symbol or device which is used in trade with goods to indicate the source of the goods and to distinguish them from the goods of others.

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https://facebook.com/trademarks411/
https://www.crunchbase.com/organization/trademarks411
https://www.bbb.org/us/ca/santa-barbara/profile/trademark-consultant/trademarks-411-1236-92010207
https://twitter.com/trademarks411?lang=en