Rotary drill bit with improved cutter and seal protection
A Standard patent application filed on 31 March 1995 credited to Blackman, Mark Philip ; Beaton, Michael Steve ; Bird, Jay Stuart

Details

Application number :

21309  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Rotary drill bit with improved cutter and seal protection  

Inventor :

Blackman, Mark Philip ; Beaton, Michael Steve ; Bird, Jay Stuart  

Agent name :

 

Address for service :

 

Filing date :

31 March 1995  

Associated companies :

 

Applicant name :

Dresser Industries Inc.  

Applicant address :

 

Old name :

 

Original Source :

Go  

Same Inventor

• Rotary drill bit with improved cutter