Download Data for U.S. Granted Utility Patents Originating in Polk County, NC (PATENTCOUNTY37149)
Select or enter vintage dates to download data for this series that actually existed on those past dates in history. In general, economic data for past observation periods are revised as more accurate estimates become available. Entering vintage dates allows you to retrieve past revisions of economic data that were actually available as of specific dates.
Read Download Data Help for more information about the options on this form. Note that files may take a while to download depending on the number of observations and vintage dates.