Apparatus for making flowed films and sheets
United States Patent 1920118
Inventors:
Walsh, James F.
Stevens, John H.
Kirtland, Flynn
Caprio, Amerigo F.
Alcorn, Thomas E.
Publication Date:
07/25/1933
Other Classes:
264/298, 264/165, 65/182.100
International Classes:
B29C47/88