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Unveiling the geography of historical patents in the United States from 1836 to 1975

Published Online: 2016-08-30

Authors

Petralia, Sergio

Balland, Pierre-Alexandre

Rigby, David L.
License Information

Text and Data Mining valid from 2016-08-30

Version of Record valid from 2016-08-30
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Article History

Received: 14 March 2016

Accepted: 27 July 2016

First Online: 30 August 2016

Competing interests

: The authors declare no competing financial interests.

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