Mine roof supporting truss system
A Standard patent application filed on 22 February 1985 credited to Tyrell, Gary D.
;
Frease, Jerry
;
Hill, Robert W.
Details
Application number :
39065
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Mine roof supporting truss system
Inventor :
Tyrell, Gary D.
;
Frease, Jerry
;
Hill, Robert W.
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
22 February 1985
Associated companies :
Applicant name :
Excel Mining Systems, Inc.
Applicant address :
43031 S. Industrial Park Road Cadiz Ohio 43907-0242 United States Of America