G10H 2220/226

Whole-tone keyboards, i.e. having as many keys on the upper row as

Official title: Whole-tone keyboards, i.e. having as many keys on the upper row as on the lower row

G10H2220/226 (Whole-tone keyboards, i.e. having as many keys on the upper row as) appears on 8 US grants and 3 published applications in this corpus.

Search patents in G10H
Granted patents
8
Published applications
3
Assignees
2
Inventors
8
Latest grant
10 Jan 2023

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G10H 2220/226: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198810
198910
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199210
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199510
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201801
201910
202001
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202200
202310

By publication year. Applications have been published since 2001.