Tigard, Oregon
United States
5
2019-06-27
The entities that hold a legal rights for patent applications filed by inventor Speth John:
John Speth from Tigard, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Ring network of Bluetooth® speakers
#2 | 2018-10-11Ring network of bluetooth speakers
#3 | 2017-09-21Ring network of bluetooth speakers
#4 | 2017-03-23Ring network of Bluetooth speakers
#5 | 2016-05-26Ring network of bluetooth speakers
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