Inventor · disambiguated record
David M. Lutgring
Also filed as: LUTGRING DAVID M
5 granted patents·154 citations·filing 2010–2015
82Inventor score
Top patents by PatentIndex Score
5 records- 0194USD632677SEar bud body shape3M INNOVATIVE PROPERTIES CO·Filed 2010·Granted Feb 15, 2011·79 cites·1 claims
- 0293US8404990B2Switch system having a button travel limit featureLUTGRING DAVID M·Filed 2010·Granted Mar 26, 2013·43 cites·13 claims
- 0376US9636259B2Water resistant acoustic port in ear-mouthed hearing device3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted May 2, 2017·3 cites·18 claims
- 0476USD632678SEar bud shaft and taper3M INNOVATIVE PROPERTIES CO·Filed 2010·Granted Feb 15, 2011·23 cites·1 claims
- 0548USD738112SPortable charging storage case3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Sep 8, 2015·6 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →