San Diego, California
United States
4
2019-11-28
The entities that hold a legal rights for patent applications filed by inventor Lyons Joy:
Joy Lyons from San Diego, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Calibrating listening devices
#2 | 2019-03-28CALIBRATING LISTENING DEVICES
#3 | 2019-03-14Systems and methods of calibrating earphones
#4 | 2017-11-16Systems and methods of calibrating earphones
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