Tool for optional straight hole drilling in underground rock formations
A Standard patent application filed on 02 February 1989 credited to Jurgens, Rainer Dr.-Ing. ; Kruger, Volker Dr.-Ing.

Details

Application number :

29564  

Application type :

Standard  

Application status :

CEASED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Tool for optional straight hole drilling in underground rock formations  

Inventor :

Jurgens, Rainer Dr.-Ing. ; Kruger, Volker Dr.-Ing.  

Agent name :

SPRUSON & FERGUSON  

Address for service :

GPO Box 3898 SYDNEY NSW 2001  

Filing date :

02 February 1989  

Associated companies :

 

Applicant name :

Eastman Christensen Company  

Applicant address :

1937 South 300 West Salt Lake City Utah 84115 United States Of America  

Old name :

 

Original Source :

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