Inventor · disambiguated record
David Wesley Langford
Also filed as: LANGFORD DAVID · LANGFORD DAVID W · LANGFORD DAVID WESLEY
9 granted patents·423 citations·filing 2001–2017
91Inventor score
Top patents by PatentIndex Score
9 records- 0193US8643538B2Near field electromagnetic location system and methodSCHANTZ HANS GREGORY·Filed 2010·Granted Feb 4, 2014·24 cites·33 claims
- 0292US7230980B2Method and apparatus for impulse radio transceiver calibrationTIME DOMAIN CORP·Filed 2002·Granted Jun 12, 2007·128 cites·13 claims
- 0391US7538715B2Electromagnetic location and display system and methodQ TRACK CORP·Filed 2006·Granted May 26, 2009·43 cites·16 claims
- 0490US6760387B2Impulse radio receiver and method for finding angular offset of an impulse radio transmitterTIME DOMAIN CORP·Filed 2001·Granted Jul 6, 2004·139 cites·27 claims
- 0586US7298314B2Near field electromagnetic positioning system and methodQ TRACK CORP·Filed 2004·Granted Nov 20, 2007·50 cites·34 claims
- 0685US7859452B2Near field electromagnetic calibration systemQ TRACK CORP·Filed 2009·Granted Dec 28, 2010·16 cites·8 claims
- 0785US7592949B2Near field electromagnetic positioning calibration system and methodQ TRACK CORP·Filed 2007·Granted Sep 22, 2009·16 cites·10 claims
- 0877US9865147B2Collision warning systemLANGFORD DAVID·Filed 2017·Granted Jan 9, 2018·6 cites·9 claims
- 0961US9550970B2Culture systems, apparatus, and related methods and articlesHAMMONS AARON·Filed 2011·Granted Jan 24, 2017·1 cites·29 claims
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