Inventor
SPETH JOHN
US5 patents
Patents
5 patentsUS9998827B2Jun 12, 2018
Ring network of bluetooth speakers
AVNERA CORP1 citations57
US9699560B2Jul 4, 2017
Ring network of Bluetooth speakers
AVNERA CORP1 citations57
US9544690B2Jan 10, 2017
Ring network of bluetooth speakers
AVNERA CORP1 citations57
US10547944B2Jan 28, 2020
Ring network of Bluetooth® speakers
AVNERA CORP0 citations47
US10142734B2Nov 27, 2018
Ring network of bluetooth speakers
AVNERA CORP0 citations47