Inventor · disambiguated record

Richard J. Erwin

Also filed as: ERWIN RICHARD J

1 granted patent·3 citations·filing 2009–2009

21Inventor score

Technology areasE02F

Files withPROEBER BRIAN CHRISTOPHER1

Top patents by PatentIndex Score

1 record

0144US8887412B2Road position indication for motor grader snow plowPROEBER BRIAN CHRISTOPHER·Filed 2009·Granted Nov 18, 2014·3 cites·21 claims

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