This map shows cell towers in the US licensed by the three largest cell service providers: Verizon, AT&T, and Telephone and Data Systems. With the increase in mobile network usage, the demand for network coverage has increased, and companies like Verizon, AT&T, and Telephone & Data Systems have expanded their […]
Technology
2 posts
Overview of States with the most Patents This map visualizes the States with the most patents during the period 01/01/1963 – 12/31/2015. The residence of the first-named inventor determines the origin of a patent. Since the data comes from nearly half a century we normalized it over the years to represent […]