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Quietdoor Trademarks
QUIETDOOR
Radio frequency shielded and electromagnetic shielded metal doors
Registered
·
October 27, 2020
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90281034
·
QUIETDOOR
Vinyl barrier and foam composite used for soundproofing
Abandoned
·
December 10, 2004
·
78530520
·
QUIETDOOR
Acoustical sound-proof doors for buildings
Abandoned
·
June 8, 2003
·
78259679
·
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