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Kdez Closet

MARIAN R. CROAK

Regular price $20.00 USD
Regular price Sale price $20.00 USD
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Copper drop earrings with faux pearl. 

 

 

 

BLACK INVENTOR HISTORY 

Croak is a prolific inventor in the voice and data communication fields, with over 200 patents to her name. She is best known for developing Voice Over Internet Protocols (VoIP), technology that converts your voice into a digital signal, allowing you to make a call directly from a computer or other digital device.  

 

Source: American academy of arts and sciences

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