G10D 7/04

With helmholtz resonators

Official title: with Helmholtz resonators, e.g. ocarinas

G10D7/04 (With helmholtz resonators) appears on 10 US grants and 7 published applications in this corpus.

Search patents in G10D
Granted patents
10
Published applications
7
Assignees
2
Inventors
14
Latest grant
28 May 2019

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G10D 7/04: granted patents and published applications per publication year
YearGranted patentsPublished applications
199010
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199800
199900
200000
200110
200210
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200701
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201020
201101
201210
201300
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201500
201601
201700
201811
201921

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