Backspacing mechanism
United States Patent 2701045
US Patent References:
Typewriting machine
- - 1469778


Inventors:
Madsen, Berthel F.
Publication Date:
02/01/1955
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Assignee:
TELETYPE CORP
Primary Class:
400/310
Other Classes:
400/311
International Classes:
H04L13/18; H04L13/00