Description
Class G10F : AUTOMATIC MUSICAL INSTRUMENTS
Subclass 1/04: Automatic musical instruments Pianofortes which have no keyboard
Class G10F : AUTOMATIC MUSICAL INSTRUMENTS
Subclass 1/04: Automatic musical instruments Pianofortes which have no keyboard
Patent # | Title | Filing Date | Issue Date | Patent Owner |
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8288640 | Keyboard apparatus | Jun 25, 10 | Oct 16, 12 | YAMAHA CORPORATION |
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