BALL VALVE CONSTRUCTION
A Standard patent application filed on 25 August 1982 credited to Bake, Earl Allan
;
Schoeneweis, E. Frederick
;
Stephens, Leonard J.
Details
Application number :
87721
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
BALL VALVE CONSTRUCTION
Inventor :
Bake, Earl Allan
;
Schoeneweis, E. Frederick
;
Stephens, Leonard J.