Reverse circulation drill assembly
A Standard patent application filed on 28 January 1998 credited to Robinson, Richard Thomas ; Robinson, Francis James

Details

Application number :

52779  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Reverse circulation drill assembly  

Inventor :

Robinson, Richard Thomas ; Robinson, Francis James  

Agent name :

WATERMARK PATENT AND TRADE MARKS ATTORNEYS  

Address for service :

Level 2 302 Burwood Road HAWTHORN VIC 3122  

Filing date :

28 January 1998  

Associated companies :

 

Applicant name :

Robinson, Francis James  

Applicant address :

7 Turner Street Kalgoorlie WA 6430 Australia  

Old name :

 

Original Source :

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