Inventor · disambiguated record

Mark Van Howelingen

Also filed as: VAN HOWELINGEN MARK

1 granted patent·58 citations·filing 2002–2002

49Inventor score

Technology areasE21B

Files withVERMEER MFG CO1

Top patents by PatentIndex Score

1 record

0177US6845825B2Method and apparatus for attaching/detaching drill rodVERMEER MFG CO·Filed 2002·Granted Jan 25, 2005·58 cites·11 claims

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