Rotary drill bit with improved cutter
A Standard patent application filed on 31 March 1995 credited to Blackman, Mark Philip
;
Beaton, Michael Steve
;
Bird, Jay Stuart
Details
Application number :
22322
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Rotary drill bit with improved cutter
Inventor :
Blackman, Mark Philip
;
Beaton, Michael Steve
;
Bird, Jay Stuart