Inventor · disambiguated record

Richard R. Estep

Also filed as: ESTEP RICHARD R

2 granted patents·21 citations·filing 2001–2018

59Inventor score

Technology areasB61D B62D

Files withCASCADE CORP2

Top patents by PatentIndex Score

2 records

0176US10377617B2Opposable clamp arms having replaceable lower portionsCASCADE CORP·Filed 2018·Granted Aug 13, 2019·6 cites·18 claims
0265US6572082B1Railway boxcar door operating unitCASCADE CORP·Filed 2001·Granted Jun 3, 2003·15 cites·28 claims

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Richard R. Estep — Patent Inventor | PatentIndex