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Siren
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Federal Signal Corporation
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Earl W. Gosswiller
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3416628
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Issue date Dec 17, 1968
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3385392
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Patent number 3,385,392
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2912958
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2534833
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2514129
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Patent number 2,514,129
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2436603
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Patent number 2,436,603
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2434516
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2325175
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Patent number 2,325,175
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2041431
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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2015387
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1956105
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Patent number 1,956,105
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1835451
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1835452
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Patent number 1,835,452
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1718405
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Patent number 1,718,405
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1681546
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1633569
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1618210
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1586101
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1585219
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Patent number 1,585,219
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1566761
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Patent number 1,566,761
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1566762
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Patent number 1,566,762
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1566763
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Patent number 1,566,763
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1417983
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1324784
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1267136
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Patent number 1,267,136
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1070602
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Patent number 1,070,602
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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1038074
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G10 - MUSICAL INSTRUMENTS ACOUSTICS