Inventor
VISHER JOHN L
US5 patents
Patents
5 patentsUS7911407B1Mar 22, 2011
Method for designing artificial surface impedance structures characterized by an impedance tensor with complex components
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US7830310B1Nov 9, 2010
Artificial impedance structure
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US7929147B1Apr 19, 2011
Method and system for determining an optimized artificial impedance surface
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US7218281B2May 15, 2007
Artificial impedance structure
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US11024278B1Jun 1, 2021
Acoustic absorber
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