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Pipe organ doorbell
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Patent number 10,846,998
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Issue date Nov 24, 2020
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Stephan R. Hewitt
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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-
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Organ stop switching system
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Patent number 4,173,167
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Issue date Nov 6, 1979
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CBS, Inc.
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Donald E. Stanley
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3138052
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Patent number 3,138,052
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Issue date Jun 23, 1964
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3083608
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Patent number 3,083,608
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Issue date Apr 2, 1963
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3063327
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Patent number 3,063,327
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Issue date Nov 13, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3030844
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Patent number 3,030,844
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Issue date Apr 24, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2861146
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Patent number 2,861,146
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Issue date Nov 18, 1958
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2720808
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Patent number 2,720,808
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Issue date Oct 18, 1955
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2635138
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Patent number 2,635,138
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Issue date Apr 14, 1953
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2558299
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Patent number 2,558,299
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Issue date Jun 26, 1951
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2525524
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Patent number 2,525,524
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Issue date Oct 10, 1950
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2481186
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Patent number 2,481,186
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Issue date Sep 6, 1949
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2470148
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Patent number 2,470,148
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Issue date May 17, 1949
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2261999
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Patent number 2,261,999
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Issue date Nov 11, 1941
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2167407
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Patent number 2,167,407
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Issue date Jul 25, 1939
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2158010
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Patent number 2,158,010
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Issue date May 9, 1939
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2140802
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Patent number 2,140,802
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Issue date Dec 20, 1938
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2089332
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Patent number 2,089,332
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Issue date Aug 10, 1937
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2083644
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Patent number 2,083,644
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Issue date Jun 15, 1937
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2049077
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Patent number 2,049,077
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Issue date Jul 28, 1936
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1986956
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Patent number 1,986,956
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Issue date Jan 8, 1935
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1977598
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Patent number 1,977,598
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Issue date Oct 16, 1934
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1974530
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Patent number 1,974,530
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Issue date Sep 25, 1934
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1916820
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Patent number 1,916,820
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Issue date Jul 4, 1933
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1912253
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Patent number 1,912,253
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Issue date May 30, 1933
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1891409
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Patent number 1,891,409
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Issue date Dec 20, 1932
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1887076
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Patent number 1,887,076
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Issue date Nov 8, 1932
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G10 - MUSICAL INSTRUMENTS ACOUSTICS