2-stage underreamer
A Standard patent application filed on 31 October 1995 credited to Armell, Richard Alvin ; McGarian, Bruce

Details

Application number :

37501  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

2-stage underreamer  

Inventor :

Armell, Richard Alvin ; McGarian, Bruce  

Agent name :

Griffith Hack  

Address for service :

GPO Box 1285 MELBOURNE VIC 3001  

Filing date :

31 October 1995  

Associated companies :

 

Applicant name :

Phoenix P.A. Limited  

Applicant address :

1 East Cralbstone Street Aberdeen AB9 1YH United Kingdom  

Old name :

 

Original Source :

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