Inventor · disambiguated record
Lawrence T. Hagen
Also filed as: HAGEN LAWRENCE · HAGEN LAWRENCE T
16 granted patents·1 pending application·498 citations·filing 1997–2016
95Inventor score
Technology areasH04R
Top patents by PatentIndex Score
17 records- 0193US7822217B2Hearing assistance systems for providing second-order gradient directional signalsMICRO EAR TECHNOLOGY INC·Filed 2008·Granted Oct 26, 2010·28 cites·9 claims
- 0293US6389142B1In-the-ear hearing aid with directional microphone systemMICRO EAR TECHNOLOGY·Filed 1998·Granted May 14, 2002·156 cites·42 claims
- 0392US7451256B2Portable system for programming hearing aidsMICRO TECH·Filed 2005·Granted Nov 11, 2008·24 cites·19 claims
- 0491US7787647B2Portable system for programming hearing aidsMICRO EAR TECHNOLOGY INC·Filed 2004·Granted Aug 31, 2010·55 cites·20 claims
- 0590US7369669B2Diotic presentation of second-order gradient directional hearing aid signalsMICRO EAR TECHNOLOGY INC·Filed 2002·Granted May 6, 2008·48 cites·37 claims
- 0688US6888948B2Portable system programming hearing aidsMICRO TECH·Filed 2002·Granted May 3, 2005·37 cites·31 claims
- 0787US7248713B2Integrated automatic telephone switchMICRO EAR TECH DBA MICRO TECH·Filed 2002·Granted Jul 24, 2007·37 cites·21 claims
- 0886US7929723B2Portable system for programming hearing aidsMICRO EAR TECHNOLOGY INC·Filed 2009·Granted Apr 19, 2011·13 cites·20 claims
- 0976US6442279B1Acoustic conditionerMICRO EAR TECHNOLOGY INC·Filed 2000·Granted Aug 27, 2002·21 cites·12 claims
- 1074US6424722B1Portable system for programming hearing aidsMICRO TECH·Filed 1997·Granted Jul 23, 2002·41 cites·28 claims
- 1173US8923539B2Integrated automatic telephone switchBREN MARK A·Filed 2012·Granted Dec 30, 2014·3 cites·20 claims
- 1265US10212525B2Universal earpieceBLUE GEAR INC·Filed 2016·Granted Feb 19, 2019·2 cites·16 claims
- 1363US9398362B2Universal earpieceHAGEN LAWRENCE T·Filed 2012·Granted Jul 19, 2016·3 cites·18 claims
- 1463US8259973B2Integrated automatic telephone switchBREN MARK A·Filed 2007·Granted Sep 4, 2012·2 cites·29 claims
- 1554US6359992B1Acoustics conditionerMICRO EAR TECHNOLOGY·Filed 1997·Granted Mar 19, 2002·25 cites·14 claims
- 1645US2002191805A1In-the-ear hearing aid with directional microphone systemMICRO EAR TECHNOLOGY INC D B A·Filed 2002·Application pending·0 cites
- 1727USD698445SEarpieceROBERTS RANDALL WAYNE·Filed 2012·Granted Jan 28, 2014·3 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Lawrence T. Hagen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →