Title:
Strip or ribbon making method and apparatus
United States Patent 2297368

Inventors:
Rippl, Francis J.
Isaac, Elmer B.
Publication Date:
09/29/1942
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Assignee:
GEN ELECTRIC
Primary Class:
53/435
Other Classes:
53/DIG.001, 53/520, 83/349, 83/175, 83/355, 83/99, 83/167, 83/69, 431/358, 83/98, 83/37, 445/28
International Classes:
B21C37/02; B21C37/00