Inventor · disambiguated record
James F. Langdon
Also filed as: LANGDON JAMES F
7 granted patents·106 citations·filing 1998–2007
87Inventor score
Top patents by PatentIndex Score
7 records- 0187US6718031B2Method and system for call tracingAMERITECH SERVICES INC·Filed 2002·Granted Apr 6, 2004·36 cites·12 claims
- 0284US6404882B2Method and system for call tracingAMERITECH SERVICES INC·Filed 2001·Granted Jun 11, 2002·36 cites·16 claims
- 0376US7221751B2Method and system for call tracingAMERITECH SERVICES INC·Filed 2005·Granted May 22, 2007·3 cites·9 claims
- 0469US6925164B2Method and system for call tracingAMERITECH SERVICES INC·Filed 2003·Granted Aug 2, 2005·5 cites·7 claims
- 0568US7796746B2Method and system for call tracingAT & T IP I LP·Filed 2007·Granted Sep 14, 2010·1 cites·10 claims
- 0658US5999616AMethod and system for call tracingAMERITECH SERVICES INC·Filed 1998·Granted Dec 7, 1999·14 cites·21 claims
- 0750US6243458B1Method and system for call tracingAMERITECH SERVICES INC·Filed 1999·Granted Jun 5, 2001·11 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →