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Steven M. Zellers
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North Liberty, IA, US
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last 30 patents
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Patent Grant
Graphical symbology for depicting traffic position, navigation unce...
Patent number
6,876,906
Issue date
Apr 5, 2005
Rockwell Collins
Steven M. Zellers
G01 - MEASURING TESTING
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Patent Grant
Integrated surface moving map advisory system
Patent number
6,694,249
Issue date
Feb 17, 2004
Rockwell Collins
Eric N. Anderson
G01 - MEASURING TESTING