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PatentBrief

Today in Patent History

On August 31, somewhere, someone changed the world.

Every patent in PatentBrief's index that was filed or granted on August 31st — across all years. A daily slice of invention history.

Filed on August 31

4 patents

Applications that walked into the patent office

  1. 2017
    2citations
  2. 2016
    3citations
  3. 2006
    8citations
  4. 1935
    177citations

Granted on August 31

3 patents

Ideas that became law

  1. 1999
    297citations
  2. 1920
    24citations
  3. 1897

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