Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof
A Standard patent application filed on 08 December 1992 credited to Wright, Raymond L.
Details
Application number :
29974
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Mine roof expansion anchor with improved bore hole engagement means and method of installation thereof
Inventor :
Wright, Raymond L.
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
08 December 1992
Associated companies :
Applicant name :
Eastern Company, The
Applicant address :
112 Bridge Street Naugatuck Connecticut 06770 United States Of America