SHAFT BORING MACHINE AND METHOD
A Standard patent application filed on 05 July 1985 credited to Sugden, David B.
;
Hynd, Nicholas A.
;
Dowden, Peter B.
;
Cass, David T.
Details
Application number :
46344
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
SHAFT BORING MACHINE AND METHOD
Inventor :
Sugden, David B.
;
Hynd, Nicholas A.
;
Dowden, Peter B.
;
Cass, David T.