Carlsbad, California
United States
4
2020-09-24
The entities that hold a legal rights for patent applications filed by inventor Cramer Winthrop:
Winthrop Cramer from Carlsbad, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Charging case with a built-in USB cable
#2 | 2020-02-11Speaker device with equalization control
#3 | 2019-08-27Speaker device with equalization tool
#4 | 2017-12-14Wireless pair of earbuds
2066000 ⎘