Method and apparatus for the manufacture of duckbill valves
A Standard patent application filed on 14 August 1995 credited to Sillince, Mark Erich
;
Mondszein, Karl
;
Rosens, Erwin Anton
Details
Application number :
32273
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Method and apparatus for the manufacture of duckbill valves
Inventor :
Sillince, Mark Erich
;
Mondszein, Karl
;
Rosens, Erwin Anton