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Ridge-waveguide filter and filter bank
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Patent number 7,663,452
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Issue date Feb 16, 2010
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The United States of America as represented by the Secertary of the Navy
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Christen Rauscher
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H01 - BASIC ELECTRIC ELEMENTS
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Low-loss filter and frequency multiplexer
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Patent number 7,298,232
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Issue date Nov 20, 2007
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The United States of America as represented by the Secretary of the Navy
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Christen Rauscher
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H01 - BASIC ELECTRIC ELEMENTS
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Frequency-tunable notch filter
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Patent number 6,636,128
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Issue date Oct 21, 2003
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The United States of America as represented by the Secretary of the Navy
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Christen Rauscher
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H03 - BASIC ELECTRONIC CIRCUITRY
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Limited bandwidth microwave filter
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Patent number 5,339,057
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Issue date Aug 16, 1994
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The United States of America as represented by the Secretary of the Navy
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Christen Rauscher
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H01 - BASIC ELECTRIC ELEMENTS
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Logarithmic-periodic microwave multiplexer
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Patent number 5,101,181
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Issue date Mar 31, 1992
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The United States of America as represented by the Secretary of the Navy
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Christen Rauscher
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H01 - BASIC ELECTRIC ELEMENTS
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Microwave recursive filter
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Patent number 4,661,789
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Issue date Apr 28, 1987
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The United States of America as represented by the Secretary of the Navy
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Christen Rauscher
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H03 - BASIC ELECTRONIC CIRCUITRY
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