US Patent 11367422 Acoustic valve porting element
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Patent Inventor Names
Randall L. May0
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Patent Number
113674220
Date of Patent
June 21, 2022
0Patent Application Number
170161060
Date Filed
September 9, 2020
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US Patent 11367422 Acoustic valve porting element
Article
An acoustic variable porting system includes an acoustic element and an acoustic variable porting element forming a port into the acoustic element. The acoustic variable porting element is adjustable between at least an open position, in which the port is generally open, and a closed position, in which the port is generally closed. The acoustic element may be at least one of: a sub-kick, a ported drum, and a speaker.
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Patent number
11367422
Date of patent
June 21, 2022
Patent application number
17016106
Date Filed
September 9, 2020
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