[Alexandria, Va.] : United States Patent and Trademark Office
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text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
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The patent and trademark data presented here is gathered into accessible collections including: historical patent data, patent application classification information, patent assignment data, prosecution history files, published patent applications, trademark application images, and trademark applications.
Note
Contents viewed May 14, 2021; title from home page caption.
