Inventor · disambiguated record
David Graebener
Also filed as: GRAEBENER DAVID · GRAEBENER DAVID J
4 granted patents·6 pending applications·90 citations·filing 2001–2008
79Inventor score
Technology areasH04R
Top patents by PatentIndex Score
10 records- 0185US6934402B2Planar-magnetic speakers with secondary magnetic structureAMERICAN TECH CORP·Filed 2002·Granted Aug 23, 2005·33 cites·47 claims
- 0282US8009857B2Induction motor for loudspeakerWISDOM AUDIO CORP·Filed 2007·Granted Aug 30, 2011·17 cites·21 claims
- 0380US7142688B2Single-ended planar-magnetic speakerAMERICAN TECH CORP·Filed 2002·Granted Nov 28, 2006·24 cites·62 claims
- 0468US7251342B2Single end planar magnetic speakerAMERICAN TECH CORP·Filed 2001·Granted Jul 31, 2007·16 cites·19 claims
- 0552US2009097693A1Planar-magnetic speakers with secondary magnetic structureCROFT III JAMES J·Filed 2008·Application pending·0 cites
- 0650US2007127767A1Single-ended planar-magnetic speakerAMERICAN TECH CORP·Filed 2006·Application pending·0 cites
- 0749US2006050923A1Planar-magnetic speakers with secondary magnetic structureAMERICAN TECH CORP·Filed 2005·Application pending·0 cites
- 0845US2010135505A1Very high intelligibility mass notofication systemGRAEBENER DAVID J·Filed 2008·Application pending·0 cites
- 0942US2008137901A1Boxcar for loudspeaker bobbinMICHNO DAVID J·Filed 2006·Application pending·0 cites
- 1042US2008137902A1Highly elongated loudspeaker and motorBOHLENDER JACK T·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →