Error-correcting typewriter
United States Patent 3149711
US Patent References:
/0656658.html
- - 0656658
Method and means for selectively changing the effective printing surface of type
- - 2694481
/0656658.html
- - 0656658
Method and means for selectively changing the effective printing surface of type
- - 2694481
Inventors:
Wolowitz, William H.
Publication Date:
09/22/1964
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Assignee:
Wolowitz, William H.
Primary Class:
Other Classes:
400/312, 400/216.100, 400/240.100
International Classes:
B41J29/36; B41J29/26
Foreign References:
| GB528589A |