Inventor · disambiguated record

Kenneth Carl Altrichter

Also filed as: ALTRICHTER KENNETH CARL

2 granted patents·2 citations·filing 2008–2011

39Inventor score

Technology areasE21B Y10T

Files withLONGYEAR TM INC2

Top patents by PatentIndex Score

2 records

0162US8356677B2Methods of preloading a sonic drill head and methods of drilling using the sameLONGYEAR TM INC·Filed 2011·Granted Jan 22, 2013·2 cites·20 claims
0238US8006782B2Sonic drill headLONGYEAR TM INC·Filed 2008·Granted Aug 30, 2011·0 cites·22 claims

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