Inventor · disambiguated record
Donald Howell
Also filed as: HOWELL DONALD · HOWELL DONALD C · HOWELL DONALD J · HOWELL DONALD T
3 granted patents·2 pending applications·105 citations·filing 1983–2009
74Inventor score
Top patents by PatentIndex Score
5 records- 0190US7548539B2Method and apparatus for Voice-over-IP call recordingAUDIOCODES INC·Filed 2005·Granted Jun 16, 2009·79 cites·30 claims
- 0277US7873035B2Method and apparatus for voice-over-IP call recording and analysisAUDIOCODES INC·Filed 2009·Granted Jan 18, 2011·9 cites·29 claims
- 0351US2006130382A1Light for illuminating a real estate signHOWELL WILLIAM R·Filed 2004·Application pending·0 cites
- 0445US4512439AControl mechanism for aerial laddersSPONCO MFG INC·Filed 1983·Granted Apr 23, 1985·17 cites·11 claims
- 0532US2002092590A1Treaded Traction deviceFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →