Croft Review of Sahyoun Patent

Speaker Builder magazine¬† Croft review of Sahyoun Patent Patent by Joseph Sahyoun, president of Earthquake Sound   Passive Acoustic Radiator Module Patent/Publication Number: 10,349,166 Inventor(s): Joseph Yaacoub Sahyoun; (Redwood City, CA) Assignee: None Listed Filed: May 26, 2016 Current International Class: H04R 1/22 (20060101) Published: July 9, 2019 Number of Claims: 29 Number of Drawings: […]

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