Inventor · disambiguated record
David M. Friesema
Also filed as: FRIESEMA DAVID M · FRIESEMA DAVID MICHAEL
2 granted patents·45 citations·filing 2007–2007
63Inventor score
Technology areasH04R
Files withETYMOTIC RES INC2
Top patents by PatentIndex Score
2 records- 0189US7761091B2Method and system of managing volume and functionality control between an audio player and wireless earphonesETYMOTIC RES INC·Filed 2007·Granted Jul 20, 2010·32 cites·27 claims
- 0282US7555134B2Antenna for miniature wireless devices and improved wireless earphones supported entirely by the ear canalETYMOTIC RES INC·Filed 2007·Granted Jun 30, 2009·13 cites·28 claims
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