Inventor · disambiguated record
Michael James Roper
Also filed as: ROPER MICHAEL · ROPER MICHAEL J · ROPER MICHAEL JAMES
6 granted patents·2 pending applications·19 citations·filing 2008–2017
76Inventor score
Files withVital Alert Communication Inc42220213 ONTARIO INC1ROPER MICHAEL1SPOTWAVE WIRELESS LTD1VITAL ALERT COMM INC1
Top patents by PatentIndex Score
8 records- 0178US9450684B2System, method and apparatus for controlling buried devicesVital Alert Communication Inc·Filed 2013·Granted Sep 20, 2016·7 cites·22 claims
- 0278US9231799B2VLF transmit antenna system, method and apparatusVITAL ALERT COMM INC·Filed 2012·Granted Jan 5, 2016·9 cites·16 claims
- 0357US9866333B2Through-the-earth emergency radio systemVital Alert Communication Inc·Filed 2015·Granted Jan 9, 2018·1 cites·27 claims
- 0455US11118912B2Magnetic positioning systemVital Alert Communication Inc·Filed 2017·Granted Sep 14, 2021·1 cites·50 claims
- 0548US10277335B2Through-the-earth emergency radio systemVital Alert Communication Inc·Filed 2017·Granted Apr 30, 2019·0 cites·37 claims
- 0647US9564977B2Portable through-the-earth radioROPER MICHAEL·Filed 2010·Granted Feb 7, 2017·1 cites·20 claims
- 0742US2008274718A1Restricted access full band repeaterSPOTWAVE WIRELESS LTD·Filed 2008·Application pending·0 cites
- 0838US2014095170A1User programmable monitoring system, method and apparatus2220213 ONTARIO INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →