Inventor · disambiguated record

Richard E. Leturno

Also filed as: LETURNO RICHARD E

2 granted patents·799 citations·filing 1991–1992

75Inventor score

Technology areasE21B

Files withATLANTIC RICHFIELD CO2

Top patents by PatentIndex Score

2 records

0194US5271472ADrilling with casing and retrievable drill bitATLANTIC RICHFIELD CO·Filed 1992·Granted Dec 21, 1993·409 cites·4 claims
0294US5197553ADrilling with casing and retrievable drill bitATLANTIC RICHFIELD CO·Filed 1991·Granted Mar 30, 1993·390 cites·3 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →