Is a
Patent attributes
Patent Applicant
Patent Jurisdiction
Patent Number
Date of Patent
June 6, 2023
0Patent Application Number
173951810
Date Filed
August 5, 2021
0Patent Citations
...
Patent Primary Examiner
A device integrally joined with the ported opening of a musical bass drum resonant drumhead for regulating the amount of vibrating airflow passing through the inside of a bass drumshell and continuing through the ported opening for effectively controlling undesirable higher frequency drum sounds precipitated by the airflow produced upon the striking of the batter head.
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