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-
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Compact chord organ
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Patent number 4,091,707
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Issue date May 30, 1978
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Graber-Rogg, Inc.
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Harold B. Martin
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3927596
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Patent number 3,927,596
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Issue date Dec 23, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3745874
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Patent number 3,745,874
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Issue date Jul 17, 1973
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3744364
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Patent number 3,744,364
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Issue date Jul 10, 1973
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3698276
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Patent number 3,698,276
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Issue date Oct 17, 1972
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3665092
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Patent number 3,665,092
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Issue date May 23, 1972
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3254553
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Patent number 3,254,553
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Issue date Jun 7, 1966
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3204511
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Patent number 3,204,511
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Issue date Sep 7, 1965
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3188903
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Patent number 3,188,903
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Issue date Jun 15, 1965
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3063326
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Patent number 3,063,326
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Issue date Nov 13, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2987949
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Patent number 2,987,949
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Issue date Jun 13, 1961
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2984141
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Patent number 2,984,141
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Issue date May 16, 1961
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2954716
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Patent number 2,954,716
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Issue date Oct 4, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2932233
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Patent number 2,932,233
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Issue date Apr 12, 1960
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2722152
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Patent number 2,722,152
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Issue date Nov 1, 1955
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2659261
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Patent number 2,659,261
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Issue date Nov 17, 1953
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2601218
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Patent number 2,601,218
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Issue date Jun 17, 1952
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2559777
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Patent number 2,559,777
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Issue date Jul 10, 1951
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2269942
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Patent number 2,269,942
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Issue date Jan 13, 1942
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2197773
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Patent number 2,197,773
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Issue date Apr 23, 1940
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2185932
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Patent number 2,185,932
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Issue date Jan 2, 1940
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2162382
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Patent number 2,162,382
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Issue date Jun 13, 1939
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2084266
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Patent number 2,084,266
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Issue date Jun 15, 1937
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1995751
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Patent number 1,995,751
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Issue date Mar 26, 1935
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1965475
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Patent number 1,965,475
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Issue date Jul 3, 1934
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1918295
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Patent number 1,918,295
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Issue date Jul 18, 1933
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1827978
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Patent number 1,827,978
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Issue date Oct 20, 1931
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1778885
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Patent number 1,778,885
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Issue date Oct 21, 1930
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G10 - MUSICAL INSTRUMENTS ACOUSTICS