Inventor · disambiguated record

Edgar J. Liegis

Also filed as: LIEGIS EDGAR J

1 granted patent·37 citations·filing 2003–2003

46Inventor score

Technology areasE21B

Files withHALLIBURTON ENERGY SERV INC1

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1 record

0165US7013971B2Reverse circulation cementing processHALLIBURTON ENERGY SERV INC·Filed 2003·Granted Mar 21, 2006·37 cites·33 claims

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