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Summary
DescriptionUS patents 1790-2008.png
English: Patents Granted 1790-2010
(divided into utility patents, design patents, plant patents, and patents granted to foreign residents)
Deutsch: Erteilte Patent 1790-2010
(unterteilt in Gebrauchsmuster, Geschmacksmuster, Biopatente und Patente die an nicht US Bürger vergeben wurden)
Date
Source
Own work
Author
Spitzl
Other versions
File:Patents_Granted_1790-2008.JPG
Data obtained from USPTO, http://www.uspto.gov/web/offices/ac/ido/oeip/taf/h_counts.htm
Updated chart in SVG
1976- United States utility patents issued, by year - bar chart.svg
Licensing
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