Inventor · disambiguated record

Michael Joseph Gratzinger

Also filed as: GRATZINGER MICHAEL · GRATZINGER MICHAEL JOSEPH

2 granted patents·0 citations·filing 2014–2015

23Inventor score

Technology areasE21B

Files withSCHLUMBERGER TECHNOLOGY CORP2

Top patents by PatentIndex Score

2 records

0135US9856704B2Telescoping slip joint assemblySCHLUMBERGER TECHNOLOGY CORP·Filed 2015·Granted Jan 2, 2018·0 cites·17 claims
0233US10240403B2Opposing thread screw safety jointSCHLUMBERGER TECHNOLOGY CORP·Filed 2014·Granted Mar 26, 2019·0 cites·15 claims

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Michael Joseph Gratzinger — Patent Inventor | PatentIndex