HT

Helmut Theiler

AA Ams Ag: 4 patents #3 of 74Top 5%
Overall (2017): #46,880 of 506,227Top 10%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9779714 Active noise control arrangement, active noise control headphone and calibration method Roberto Simmarano 2017-10-03
9628264 Host communication circuit, client communication circuit, communication system and communication method Alexander Costa 2017-04-18
9591394 Headphones, audio device, audio system and method for transmitting signals 2017-03-07
9570997 Controlled power supply circuit 2017-02-14