Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end
A Standard patent application filed on 15 December 1993 credited to Sherwood, William H ; Thigpen, Gary M

Details

Application number :

58032  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Drill bit having polycrystalline diamond compact cutter with spherical first end opposite cutting end  

Inventor :

Sherwood, William H ; Thigpen, Gary M  

Agent name :

 

Address for service :

 

Filing date :

15 December 1993  

Associated companies :

 

Applicant name :

Baroid Technology, Inc.  

Applicant address :

 

Old name :

 

Original Source :

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