Key for office machines
United States Patent 2692037
US Patent References:
/0438617.html
- - 0438617

/1146331.html
- - 1146331

/1324964.html
- - 1324964

Typewriting machine
- - 1508001


Inventors:
Otto, Reichert
Otto, Winter
Publication Date:
10/19/1954
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Assignee:
OLYMPIA WERKE WEST GMBH
Primary Class:
400/491.200
International Classes:
B41J5/16; B41J5/00