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Grand piano
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Patent number 10,184,656
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Issue date Jan 22, 2019
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KAWAI MUSICAL INSTRUMENTS MANUFACTURING CO., LTD.
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Mitsuo Yamashita
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F21 - LIGHTING
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Keyboard instrument
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Patent number 9,082,371
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Issue date Jul 14, 2015
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VIOGA GmbH
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Hannes Schimmel-Vogel
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Toy piano
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Patent number 8,013,227
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Issue date Sep 6, 2011
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Leonard Trinca
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Portable keyboard
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Patent number 6,720,492
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Issue date Apr 13, 2004
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David Steinbuhler
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Piano
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Patent number 6,610,914
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Issue date Aug 26, 2003
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Ueno Yasunaga
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Method of assembling a grand piano
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Patent number 6,145,197
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Issue date Nov 14, 2000
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Kabushiki Kaisha Kawai Gakki Seisakusho
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Riichi Kitashima
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Sound reflector for grand pianos
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Patent number 4,211,142
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Issue date Jul 8, 1980
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Baldwin Piano & Organ Company
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Harold A. Conklin
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2532286
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Patent number 2,532,286
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Issue date Dec 5, 1950
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2191443
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Patent number 2,191,443
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Issue date Feb 27, 1940
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2138669
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Patent number 2,138,669
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Issue date Nov 29, 1938
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2134680
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Patent number 2,134,680
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Issue date Nov 1, 1938
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2071992
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Patent number 2,071,992
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Issue date Feb 23, 1937
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1770983
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Patent number 1,770,983
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Issue date Jul 22, 1930
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1732748
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Patent number 1,732,748
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Issue date Oct 22, 1929
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1689467
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Patent number 1,689,467
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Issue date Oct 30, 1928
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1401115
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Patent number 1,401,115
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Issue date Dec 20, 1921
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G10 - MUSICAL INSTRUMENTS ACOUSTICS