Selective hammer actuating means in chain printers
United States Patent 3416442

Inventors:
Alan, Brown Edgar
Chou, Albert S.
Publication Date:
12/17/1968
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Assignee:
IBM
Primary Class:
101/93.140
Other Classes:
101/109
International Classes:
B41J9/14; B41J9/00
US Patent References:
3332343Selective hammer interposing means in high speed printers
3342127High speed printing device with reciprocable type bar
3354816Line printer with proportional spacing control means




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