Inventor · disambiguated record
John M. Des Lierres
Also filed as: DES LIERRES JOHN M
2 granted patents·32 citations·filing 1978–1980
62Inventor score
Technology areasE21B
Files withSMITH INTERNATIONAL2
Top patents by PatentIndex Score
2 recordsIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →