Our Patents

9,197,960 Phase correcting canalphone system and method 

9,172,180 Canalphone coupler system and method 

9,161,128 Adjustable canalphone system 

8,925,674 Phase correcting canalphone system and method 

8,897,463 Dual high frequency driver canalphone system  

8,567,555 Dual bore canalphone system  

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