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Acoustic waveguide resonator
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Patent number 4,056,793
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Issue date Nov 1, 1977
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Texas Instruments Incorporated
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Robert S. Wagers
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Acoustic ridge transversal filter
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Patent number 4,055,821
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Issue date Oct 25, 1977
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Texas Instruments Incorporated
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Robert S. Wagers
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Acoustic ridge delay line
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Patent number 4,055,819
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Issue date Oct 25, 1977
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Texas Instruments Incorporated
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Robert S. Wagers
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Acoustic ridge waveguide
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Patent number 3,974,464
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Issue date Aug 10, 1976
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Texas Instruments Incorporated
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Robert S. Wagers
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G10 - MUSICAL INSTRUMENTS ACOUSTICS