Multiple die assembly for forming bottle caps
United States Patent 1975150

Inventors:
Patrick, Henry William
Publication Date:
10/02/1934
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Assignee:
Blossom, Dunbar M.
Anna, Bowen C.
Primary Class:
493/74
Other Classes:
493/150, 493/82, 493/95, 493/185, 493/128
International Classes:
B31B43/00