Escapement mechanism for typewriter
United States Patent 3059751
US Patent References:
/1005158.html
- - 1005158

/1141831.html
- - 1141831

/1308980.html
- - 1308980

Silent-key typewriter attachment
- - 1478600


Inventors:
Palmer, Leon E.
Publication Date:
10/23/1962
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Assignee:
IBM
Primary Class:
400/301
Other Classes:
74/577R, 400/307
International Classes:
B41J25/20; B41J25/00