Rotary drill bits and cutting elements for such bits
A Standard patent application filed on 29 November 1984 credited to Wardley, Michael Thomas ; Barr, John Denzil

Details

Application number :

36010  

Application type :

Standard  

Application status :

CEASED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Rotary drill bits and cutting elements for such bits  

Inventor :

Wardley, Michael Thomas ; Barr, John Denzil  

Agent name :

FB Rice  

Address for service :

Level 23 44 Market Street SYDNEY NSW 2000  

Filing date :

29 November 1984  

Associated companies :

 

Applicant name :

N.L. Petroleum Products Ltd.  

Applicant address :

 

Old name :

 

Original Source :

Go  

Related Patents

• ROTARY DRILL BITS AND CUTTING ELEMENTS FOR SUCH BITS

Same Inventor

• ROTARY DRILL BIT
• ROTARY DRILL BITS AND CUTTING ELEMENTS FOR SUCH BITS
• Rotary bit with variable configuration