Multi-level undercut excavation method using superimposed posts
A Standard patent application filed on 18 December 2002 credited to Gryba, Scott ; Gryba, Charles M.

Details

Application number :

2002351613  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Multi-level undercut excavation method using superimposed posts  

Inventor :

Gryba, Scott ; Gryba, Charles M.  

Agent name :

 

Address for service :

 

Filing date :

18 December 2002  

Associated companies :

 

Applicant name :

GRYBA, Scott  

Applicant address :

302-2016 Fullerton Ave., North Vancouver, British Columbia V7P 3E6  

Old name :

 

Original Source :

Go