Steering and control system for percussion boring tools
A Standard patent application filed on 04 April 1986 credited to Givler, Gregory C.
;
Cohen, John H.
;
Enk, Joseph O.
;
Pittard, Gerard T.
;
McDonald, William J.
;
Maurer, William C.
;
Bridges, Jack E.
Details
Application number :
55652
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Steering and control system for percussion boring tools
Inventor :
Givler, Gregory C.
;
Cohen, John H.
;
Enk, Joseph O.
;
Pittard, Gerard T.
;
McDonald, William J.
;
Maurer, William C.
;
Bridges, Jack E.
Agent name :
SPRUSON & FERGUSON
Address for service :
GPO Box 3898 SYDNEY NSW 2001
Filing date :
04 April 1986
Associated companies :
Applicant name :
Gas Research Institute
Applicant address :
8600 West Bryn Mawr Avenue, Chicago, Illinois 60631 U.S.A.