U.S. Patent 7,952,014, entitled "Digital Guitar Tuner", to Gibson, issued May 31, 2011

7/25/2019 U.S. Patent 7,952,014, entitled "Digital Guitar Tuner", to Gibson, issued May 31, 2011.

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2003/0159570

A1 8 / 2 0 0 3 T o s h i t a n i

FOREIGN

PATENT DOCUMENTS

JP 61-163389 7/1986

JP 2798077

5 / 1 9 9 7

JP

2001-13967

1 / 2 0 0 1

J P

2002-50943 1 / 2 0 0 2

JP

2002-318583

1 0 / 2 0 0 2

WO

00/65571 1 1 / 2 0 0 0

WO 01/84533 1 1 / 2 0 0 1

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Documents

U.S. Patent 7,952,014, entitled "Digital Guitar Tuner", to Gibson, issued May 31, 2011