Music – Instruments – Stringed
Patent
1987-12-24
1989-07-04
Franklin, Lawrence R.
Music
Instruments
Stringed
G10D 102
Patent
active
048439401
ABSTRACT:
For acoustic stringed instruments of the kind having a back plate and a front plate with a resonating chamber therebetween, and a string bridge on the belly across which strings of the instrument are stretched, a device and method for causing the back plate and the belly to vibrate oppositely and thereby amplifying sound emanating from the resonating chamber.
REFERENCES:
patent: 360317 (1887-03-01), Loppentien
patent: 1408707 (1922-03-01), Mc Grath
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