Inventor · disambiguated record
Stephen Hart
Also filed as: HART STEPHEN · HART STEPHEN J · HART STEPHEN P
7 granted patents·2 pending applications·244 citations·filing 1991–2023
87Inventor score
Top patents by PatentIndex Score
9 records- 0192US6552257B1Nonrotating pivotable solar panelAMERICAN SIGNAL COMPANY·Filed 2001·Granted Apr 22, 2003·53 cites·5 claims
- 0288US6244727B1Optic lens cell and illuminated signage having a cell arrayAMERICAN SIGNAL COMPANY·Filed 1999·Granted Jun 12, 2001·74 cites·30 claims
- 0382US6028597APower manager system for highway signageAMERICAN SIGNAL COMPANY·Filed 1996·Granted Feb 22, 2000·68 cites·5 claims
- 0458US12347953B2Electrical power connector systemTE CONNECTIVITY SOLUTIONS GMBH·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
- 0554US5793343ADisplay apparatus for signageAMERICAN SIGNAL COMPANY·Filed 1996·Granted Aug 11, 1998·20 cites·11 claims
- 0645US6027134ARemovable trailer tongueAMERICAN SIGNAL COMPANY·Filed 1996·Granted Feb 22, 2000·10 cites·16 claims
- 0743US2006203502A1Total internal reflection license plate frameSTEVENS PETER M·Filed 2006·Application pending·0 cites
- 0842US5159259APower supply system for continuously energizing a D.C. loadAMERICAN SIGNAL COMPANY·Filed 1991·Granted Oct 27, 1992·19 cites·6 claims
- 0930US2014039837A1System and method for remote monitoring of the orientation of a message signHART STEPHEN P·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →