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Patents and Trademarks

Subject Guide for Patents and Trademarks

Search patents

RED ALERTS!

Typos in Google Patent numbers!
* Double-check the full text or PDF.
* GP may show 381/711.1 but the PDF displays the correct class of 381/71.11.

Design patents (begin with D) are patenting a design rather than a function. Utility patents do not begin with D.

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