Earth-boring bit having cutter with replaceable kerf ring with contoured inserts
A Standard patent application filed on 24 September 1997 credited to Crawley, Dolph
Details
Application number :
45005
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Earth-boring bit having cutter with replaceable kerf ring with contoured inserts