Inventor · disambiguated record

Frank Andriessen

Also filed as: ANDRIESSEN FRANK

1 granted patent·1 citations·filing 2011–2011

16Inventor score

Technology areasE21B

Files withHEIL MATTHIAS1

Top patents by PatentIndex Score

1 record

0141US9416611B2Method for forming slots in a wellbore casingHEIL MATTHIAS·Filed 2011·Granted Aug 16, 2016·1 cites·17 claims

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