Inventor · disambiguated record

Brent Kejr

Also filed as: KEJR BRENT

1 granted patent·3 citations·filing 2009–2009

21Inventor score

Technology areasE21B

Files withKEJR INC1

Top patents by PatentIndex Score

1 record

0140US8342263B2Vibratory drill head mounting and rotation coupling systemKEJR INC·Filed 2009·Granted Jan 1, 2013·3 cites·28 claims

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