Sheet-interfolding machine
United States Patent 1348846
Inventors:
Brown, Gouverneur G.
Schuchart, Paul A.
Publication Date:
08/10/1920
Assignee:
PAPER SERVICE COMPANY
Other Classes:
493/415, 493/390, 493/370, 493/344, 493/359
International Classes:
B65H45/24; B65H45/12