William S. Youse

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Hewlett, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano sostenuto assembly
- Patent number 6,020,544
- Issue date Feb 1, 2000
- Steinway, Inc.
- Marvin S. Jones
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Piano key leveling
- Patent number 5,654,515
- Issue date Aug 5, 1997
- Steinway, Inc.
- William S. Youse
- G10 - MUSICAL INSTRUMENTS ACOUSTICS