Title:
Collating device
Document Type and Number:
United States Patent 1539393
Inventors:
Johnson, Arthur A.
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Sponsored by: Flash of Genius |
Publication Date:
05/26/1925
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Referenced by:
Export Citation:
Assignee:
UNDERWOOD TYPEWRITER CO
Primary Class:
Other Classes:
400/610.200, 281/45
International Classes:
B41J11/36