Steven J. Fujan

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Tulsa, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Piano tuning wrench
- Patent number 7,638,702
- Issue date Dec 29, 2009
- Steven J. Fujan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Piano tuning hammer
- Publication number 20060117934
- Publication date Jun 8, 2006
- Steven J. Fujan
- G10 - MUSICAL INSTRUMENTS ACOUSTICS