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When the State of Minnesota was created in 1858, the St.
Louis River was used as the northern dividing line between Wisconsin and Minnesota, and the City of Duluth sprung up on the Minnesota side of the river to compete with Superior.
With the opening of navigation in 1857, work resumed on the lighthouse, but cold weather set in before it could be completed, and the light was not activated until the spring of 1858.
The contract for constructing the lighthouse and two wooden piers to mark Superior Entry was awarded to Captain R. Coburn of Superior, but stonemason Adam Dopp, a German immigrant, is credited with doing most of the work on the lighthouse.
Since 2010 the number of lawsuits, counter-suits, and trade complaints based on patents and designs in the market for smartphones, and devices based on smartphone OSes such as Android and i OS, has increased significantly.