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Method and apparatus for viewing polarized displays
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Cellular phone based automatic emergency vessel/vehicle location system
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Modular communications system including a portable unit range extender and selective-call system
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Dual watch radio system
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Knotmeter impeller eliminator system
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Method and apparatus for improving the shallow water performance of a depth sounder
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Depth sounder operation for hostile environments
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Modular communications system including a portable unit range extender and selective-call system
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Vehicle backing aid
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Emergency vessel location system
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Talking depth sounder
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Talking depth sounder
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Talking depth sounder
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Talking depth sounder
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Talking depth sounder
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Wall hanger
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Wall hanger
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