Inventor · disambiguated record

Martin Urquhart

Also filed as: URQUHART MARTIN

1 granted patent·8 citations·filing 2010–2010

30Inventor score

Technology areasE21B

Files withWALLACE DAVID ANDREW1

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1 record

0170US8474538B2Hydraulically actuated safety lock ringWALLACE DAVID ANDREW·Filed 2010·Granted Jul 2, 2013·8 cites·11 claims

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Martin Urquhart — Patent Inventor | PatentIndex