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Name File Type Size Last Modified
  Code 07/06/2020 10:04:AM
  Patentees 07/06/2020 09:55:AM text/x-web-markdown 2.1 KB 07/06/2020 06:00:AM text/x-web-markdown 10.3 KB 05/30/2019 03:14:PM

Project Citation: 

Ziebarth, Nicolas, Sarada, Sarada, and Andrews, Michael. American Inventors, 1870-1940. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2020-07-06.

Project Description

Summary:  View help for Summary This repository includes data and code for our project "Changes in the Demographics of American Inventors, 1870-1940," The data contain information on individuals who received a US patent between 1870 and 1940 matched to the Population Census. 

The Code folder includes all of the code we wrote to create the datasets and then run the analyses. The should explain how the code works. We have chosen to only include in the Data folder our set of matched patentees and not all of the data used in the paper. 

If you have questions, please contact Nicolas L. Ziebarth (

Scope of Project

Subject Terms:  View help for Subject Terms Invention; Demographics
Geographic Coverage:  View help for Geographic Coverage United States
Time Period(s):  View help for Time Period(s) 1870 – 1940
Universe:  View help for Universe Individuals receiving a patent.

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This material is distributed exactly as it arrived from the data depositor. ICPSR has not checked or processed this material. Users should consult the investigator(s) if further information is desired.