Observation:
2015: 4 (+ more) Updated: Apr 6, 2021 12:34 PM CDT2015: | 4 | |
2014: | 8 | |
2013: | 3 | |
2012: | 3 | |
2011: | 3 | |
View All |
Units:
Number,Frequency:
AnnualData in this graph are copyrighted. Please review the copyright information in the series notes before sharing.
Source: U.S. Patent and Trademark Office
Release: U.S. Granted Utility Patents by Counties and CBSAs
Units: Number, Not Seasonally Adjusted
Frequency: Annual
Utility patents are patents for invention. Patent origin is determined by the residence of the first-named inventor.
See Explanation of Data and Types of Patent Applications and Proceedings for more information.
U.S. Patent and Trademark Office, U.S. Granted Utility Patents Originating in Van Zandt County, TX [PATENTCOUNTY48467], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PATENTCOUNTY48467, .