Assignee
BARTEK PETER M
4 granted patents·135 citations·filing 2002–2010
Top patents by PatentIndex Score
4 records- 0197US7624952B1Safety system for railroad personnelBARTEK PETER M·Filed 2008·Granted Dec 1, 2009·87 cites·2 claims
- 0291US8061662B1Portable automatic train trip cock tripperBARTEK PETER M·Filed 2010·Granted Nov 22, 2011·18 cites·4 claims
- 0385US8109474B2Dual ultrasonic train detectorBARTEK PETER M·Filed 2009·Granted Feb 7, 2012·22 cites·6 claims
- 0458US6737978B1Voltage testing apparatus for electrical railwaysBARTEK PETER M·Filed 2002·Granted May 18, 2004·8 cites·14 claims
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