A62C 2/14

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9851121 Heat-actuated fire damper sealing apparatusNov 16, 16Dec 26, 17Not available
9067091 Damper actuator assembly with speed controlNov 22, 06Jun 30, 15SIEMENS INDUSTRY, INC.
5171184 Tensioned fire damper assembly and methodAug 21, 91Dec 15, 92Press Mechanical, Inc., SSM INDUSTRIES,