Bushing-less stem guided control valve
A Standard patent application filed on 22 October 1997 credited to Wears, William E.
;
Putman, Karl F.
;
Wood, Charles W.
Details
Application number :
51942
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Bushing-less stem guided control valve
Inventor :
Wears, William E.
;
Putman, Karl F.
;
Wood, Charles W.