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Lowrance
Maker
X-5 System product data; Sonar Products for 1987; StructureScan Installation manual; StructureScan Sonar Imaging Operation Manual; 2007 Product Catalog; 2008 Product Catalog; 2010 HDS Marine Products data (3 copies); Mark & Elite Fishfinders/Chartplotters product data (2 copies); Broadband Radar HD Digital Radar product data; Compact Fishfinders product data; StructureScan Sonar Imaging for HDS product data (2 copies); Endura Outdoor GPS Navigators product data; "Lowrance Launches StructureScan" 7/21/2009 printed from www.fishingworld.com.au; "Sonar wars: Navico StructureScan HD & Hummingbird 360" by Ben Ellison, 3/19/2012, Panbo.com (2 copies printed 4/4/2012 and 12/31/2013); From Lowrance company website: "Lowrance Unveils New Elite-4 and Mark-4 Compact Series" 11/15/2011, "Lowrance Unveils New HDS Gen2 Multifunction Displays" 12/8/2011, "New Structurescan HD Sonar Imaging System Introduced" 3/15/2012,"New StructureScan HD Sonar Imaging System" 3/16/2012; Sonar Modules product data; Hummingbird v. Lowrance Patent Dispute Settled; Johnson Outdoors Inc. v. Navico Inc. 744 F. Supp. 2d 1191 (M.D. Ala. 2011); Lowrance company history from Navico website; "Side-Scanning Sonar" by Tim Bartlett, Power & Motoryacht
Maker