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Patent applications and USPTO patent grants for Bolton; John Bryan.The latest application filed is for "amplification system, carrier tracking systems and related methods for use in parametric sound systems".
Patent | Date |
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Amplification system, carrier tracking systems and related methods for use in parametric sound systems Grant 9,036,831 - Norris , et al. May 19, 2 | 2015-05-19 |
Amplification System, Carrier Tracking Systems and Related Methods for use in Parametric Sound Systems App 20140044283 - Norris; Elwood G. ;   et al. | 2014-02-13 |
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