Piano tuning wrench

Music – Accessories – Tuning devices

Reexamination Certificate

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Details

C081S022000

Reexamination Certificate

active

07638702

ABSTRACT:
An improved piano tuning hammer for use by piano technicians, that allows dramatically increased tuning accuracy, ease of use, and speed. The improved tuning hammer is comprised of relatively large cross-sections. The improved tuning hammer may be comprised of lightweight materials. The relatively large cross-sections provide increased stiffness, which serves to increase the effectiveness of the tuning process.

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patent: 2004/0177733 (2004-09-01), Peters

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