Inventor · disambiguated record

Jeffrey W. Spence

Also filed as: SPENCE JEFFREY W

1 granted patent·4 citations·filing 2009–2009

24Inventor score

Technology areasE21B

Files withSANJEL CORP1

Top patents by PatentIndex Score

1 record

0144US8347965B2Apparatus and method for creating pressure pulses in a wellboreSANJEL CORP·Filed 2009·Granted Jan 8, 2013·4 cites·55 claims

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Jeffrey W. Spence — Patent Inventor | PatentIndex