Inventor · disambiguated record

Marco Antonio Calzada

Also filed as: CALZADA MARCO ANTONIO

1 granted patent·10 citations·filing 2007–2007

33Inventor score

Technology areasE21B

Files withVARCO INT1

Top patents by PatentIndex Score

1 record

0158US7505871B2Diagnosis and troubleshooting for above-ground well systemsVARCO INT·Filed 2007·Granted Mar 17, 2009·10 cites·9 claims

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