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Pipe organ tremulant
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Patent number 11,024,268
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Issue date Jun 1, 2021
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Kenneth Burton Best
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Pipe organ valve
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Patent number 4,704,937
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Issue date Nov 10, 1987
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Paul A. Klann
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Valve for pipe organs
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Patent number 3,967,522
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Issue date Jul 6, 1976
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Paul A. Klann
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3903777
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Patent number 3,903,777
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Issue date Sep 9, 1975
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3795170
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Patent number 3,795,170
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Issue date Mar 5, 1974
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3722347
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Patent number 3,722,347
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Issue date Mar 27, 1973
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3605546
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Patent number 3,605,546
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Issue date Sep 20, 1971
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3063325
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Patent number 3,063,325
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Issue date Nov 13, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3058383
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Patent number 3,058,383
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Issue date Oct 16, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3024689
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Patent number 3,024,689
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Issue date Mar 13, 1962
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2909094
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Patent number 2,909,094
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Issue date Oct 20, 1959
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2900164
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Patent number 2,900,164
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Issue date Aug 18, 1959
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2805595
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Patent number 2,805,595
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Issue date Sep 10, 1957
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2798399
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Patent number 2,798,399
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Issue date Jul 9, 1957
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2633047
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Patent number 2,633,047
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Issue date Mar 31, 1953
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2577580
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Patent number 2,577,580
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Issue date Dec 4, 1951
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2538832
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Patent number 2,538,832
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Issue date Jan 23, 1951
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2392411
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Patent number 2,392,411
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Issue date Jan 8, 1946
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2335311
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Patent number 2,335,311
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Issue date Nov 30, 1943
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2247838
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Patent number 2,247,838
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Issue date Jul 1, 1941
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2131637
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Patent number 2,131,637
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Issue date Sep 27, 1938
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2005867
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Patent number 2,005,867
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Issue date Jun 25, 1935
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1984167
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Patent number 1,984,167
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Issue date Dec 11, 1934
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G10 - MUSICAL INSTRUMENTS ACOUSTICS