US Patent D921229 Acoustic building elements
Patent D921229 was granted and assigned to ROCKWOOL International on June, 2021 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
January 30, 2020
Date of Patent
June 1, 2021
Patent Applicant
Patent Application Number
29722481
Patent Citations Received
Patent Inventor Names
Nicolai Sørensen
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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