Inventor · disambiguated record

Roger E. Ritchie

Also filed as: RITCHIE ROGER E

1 granted patent·6 citations·filing 1984–1984

27Inventor score

Technology areasE21B

Files withSCIENT DRILLING INT1

Top patents by PatentIndex Score

1 record

0125US4649344ATest circuit for detector used in well boreSCIENT DRILLING INT·Filed 1984·Granted Mar 10, 1987·6 cites·13 claims

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