Inventor · disambiguated record
John Henry Barrowman
Also filed as: BARROWMAN JOHN · BARROWMAN JOHN HENRY
20 granted patents·3 pending applications·68 citations·filing 2009–2021
93Inventor score
Top patents by PatentIndex Score
23 records- 0194US8358218B2Point of sale terminal having enhanced securityVERIFONE INC·Filed 2010·Granted Jan 22, 2013·15 cites·14 claims
- 0287US10544923B1Devices and methods for optical-based tamper detection using variable light characteristicsVERIFONE INC·Filed 2018·Granted Jan 28, 2020·4 cites·20 claims
- 0385US9665746B2Secure smartcard readerVERIFONE INC·Filed 2016·Granted May 30, 2017·3 cites·20 claims
- 0484US8595514B2Secure point of sale terminalMIRKAZEMI-MOUD MEHRAN·Filed 2009·Granted Nov 26, 2013·18 cites·19 claims
- 0582US9213869B2Magnetic stripe reading deviceVERIFONE INC·Filed 2013·Granted Dec 15, 2015·7 cites·16 claims
- 0681US8760292B2Point of sale terminal having enhanced securityVERIFONE INC·Filed 2012·Granted Jun 24, 2014·8 cites·19 claims
- 0778US9250709B2Secure point of sale terminalVERIFONE INC·Filed 2015·Granted Feb 2, 2016·2 cites·15 claims
- 0877US8621235B2Secure pin entry deviceBARROWMAN JOHN HENRY·Filed 2011·Granted Dec 31, 2013·6 cites·15 claims
- 0968US8988233B2Point of sale terminal having enhanced securityVERIFONE INC·Filed 2014·Granted Mar 24, 2015·2 cites·9 claims
- 1067US9032222B2Secure point of sale terminalVERIFONE INC·Filed 2013·Granted May 12, 2015·2 cites·18 claims
- 1165US10185847B2Secure smartcard readerVERIFONE INC·Filed 2018·Granted Jan 22, 2019·0 cites·10 claims
- 1265US9996713B2Secure smartcard readerVERIFONE INC·Filed 2017·Granted Jun 12, 2018·0 cites·12 claims
- 1364US8954750B2Secure PIN entry deviceVERIFONE INC·Filed 2013·Granted Feb 10, 2015·1 cites·15 claims
- 1463US10753581B2Devices and methods for optical-based tamper detection using variable light characteristicsVERIFONE INC·Filed 2019·Granted Aug 25, 2020·0 cites·20 claims
- 1559US9904815B2Secure smartcard readerVERIFONE INC·Filed 2015·Granted Feb 27, 2018·0 cites·12 claims
- 1657US9792803B2Secure PIN entry deviceVERIFONE INC·Filed 2014·Granted Oct 17, 2017·0 cites·19 claims
- 1754US2020118105A1Secure touchscreen deviceVERIFONE INC·Filed 2019·Application pending·0 cites
- 1852US11397835B2Data device including OFN functionalityVERIFONE INC·Filed 2018·Granted Jul 26, 2022·0 cites·18 claims
- 1951US9275528B2Point of sale terminal having enhanced securityVERIFONE INC·Filed 2015·Granted Mar 1, 2016·0 cites·9 claims
- 2051US2024419846A1Systems, devices, and methods for detecting a potential tamper condition of a secure deviceVERIFONE INC·Filed 2021·Application pending·0 cites
- 2150US10558965B2Secure touchscreen deviceVERIFONE INC·Filed 2017·Granted Feb 11, 2020·0 cites·12 claims
- 2246US11741206B2Secure electronic devices and methodsVERIFONE INC·Filed 2021·Granted Aug 29, 2023·0 cites·20 claims
- 2342US2016026275A1Data device including ofn functionalityVERIFONE INC·Filed 2015·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →