Inventor · disambiguated record

Vassilios Kalessidis

Also filed as: KALESSIDIS VASSILIOS

1 granted patent·133 citations·filing 1988–1988

54Inventor score

Technology areasE21B

Files withANADRILL INC1

Top patents by PatentIndex Score

1 record

0191US4887464AMeasurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mudANADRILL INC·Filed 1988·Granted Dec 19, 1989·133 cites·23 claims

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