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3616721
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Patent number 3,616,721
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Issue date Nov 2, 1971
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3548703
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Patent number 3,548,703
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3472115
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Patent number 3,472,115
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2746338
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Patent number 2,746,338
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1846861
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1727809
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1711989
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Patent number 1,711,989
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1645608
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Patent number 1,645,608
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1551618
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1535493
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Patent number 1,535,493
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1512088
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Patent number 1,512,088
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1502369
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1419703
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1388318
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1283582
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1100568
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1082655
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1078851
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Patent number 1,078,851
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1078852
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Patent number 1,078,852
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Issue date Nov 18, 1913
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1043593
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Issue date Nov 5, 1912
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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896452
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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862029
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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860745
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Patent number 860,745
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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850635
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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847636
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Patent number 847,636
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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836907
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Patent number 836,907
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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826397
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Patent number 826,397
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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802333
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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793697
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Patent number 793,697
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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784440
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Patent number 784,440
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G10 - MUSICAL INSTRUMENTS ACOUSTICS