Itasca, Illinois
United States
4
2020-05-14
The entities that hold a legal rights for patent applications filed by inventor Du Yu:
Yu Du from Itasca, US has applied for patents for these inventions. The list has both pending applications and granted patents:
SYSTEMS AND METHODS FOR CALIBRATING MICROPHONE ASSEMBLIES INCLUDING A MEMBRANE BARRIER
#2 | 2020-04-30Digital microphone noise attenuation
#3 | 2019-10-31Acoustic assembly having an acoustically permeable membrane
#4 | 2019-03-14Digital microphone noise attenuation
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