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Remote control spotlight
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Patent number 5,584,560
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Issue date Dec 17, 1996
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Federal Signal Corporation
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Earl W. Gosswiller
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B60 - VEHICLES IN GENERAL
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Omindirectional modular siren
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Patent number 5,146,508
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Issue date Sep 8, 1992
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Federal Signal Corporation
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Joseph F. Bader
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Outdoor warning siren
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Patent number 4,847,590
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Issue date Jul 11, 1989
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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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Siren
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Patent number 4,529,969
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Issue date Jul 16, 1985
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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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Portable lighting apparatus
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Patent number 4,488,209
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Issue date Dec 11, 1984
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Federal Signal Corporation
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Earl W. Gosswiller
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B60 - VEHICLES IN GENERAL
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