E01F 8/02

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9650748 Sound attenuating structureJan 21, 15May 16, 17VEGETATED SOUND STRUCTURES, LLC
9534350 GabionsMar 27, 14Jan 03, 17HESCO BASTION LIMITED
7549507 Duct wall structureAug 06, 04Jun 23, 09MITSUBISHI HITACHI POWER SYSTEMS, LTD.