Incased collapsible typewriter
United States Patent 1383638

Inventors:
Kidder, Wellington P.
Publication Date:
07/05/1921
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Assignee:
Harry, Bates
INTERNAT LETTERGRAPH CORP
Primary Class:
400/685
Other Classes:
400/683, 400/681
International Classes:
B41J3/37; B41J3/36