Inventor · disambiguated record
David Doe
Also filed as: DOE DAVID · DOE DAVID G
7 granted patents·2 pending applications·1,641 citations·filing 1997–2015
91Inventor score
Technology areasG08B
Top patents by PatentIndex Score
9 records- 0197US5742233APersonal security and tracking systemHOFFMAN RESOURCES LLC·Filed 1997·Granted Apr 21, 1998·897 cites·22 claims
- 0296US7038590B2Personal security and tracking systemHOFFMAN RESOURCES LLC·Filed 2003·Granted May 2, 2006·253 cites·2 claims
- 0393US6624754B1Personal security and tracking systemHOFFMAN RESOURCES LLC·Filed 1998·Granted Sep 23, 2003·215 cites·48 claims
- 0490US6239700B1Personal security and tracking systemHOFFMAN RESOURCES INC·Filed 1997·Granted May 29, 2001·244 cites·36 claims
- 0585US8466795B2Personal security and tracking systemHOFFMAN MARK·Filed 2012·Granted Jun 18, 2013·15 cites·33 claims
- 0678US8149124B2Personal security and tracking systemHOFFMAN MARK·Filed 2006·Granted Apr 3, 2012·11 cites·21 claims
- 0773US9235972B2Personal security and tracking systemPragmatus Mobile LLC·Filed 2013·Granted Jan 12, 2016·6 cites·59 claims
- 0845US2004014478A1Personal security and tracking systemHOFFMAN RESOURCES LLC·Filed 2003·Application pending·0 cites
- 0943US2015206418A1Personal Security and Tracking SystemPragmatus Mobile LLC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →