Method and device in down-the-hole drilling
A Standard patent application filed on 28 October 1999 credited to Valisalo, Juhani

Details

Application number :

13263  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Method and device in down-the-hole drilling  

Inventor :

Valisalo, Juhani  

Agent name :

PIZZEYS  

Address for service :

GPO Box 1374 BRISBANE QLD 4001  

Filing date :

28 October 1999  

Associated companies :

 

Applicant name :

Numa Tool Company  

Applicant address :

646 Thompson Road Thompson CT 06277 United States Of America  

Old name :

 

Original Source :

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