Title:
Typewriter with error-correction features
United States Patent 3204746
US Patent References:
/0759807.html
- - 0759807
Typewriting machine
- - 1983482
Apparatus for producing typewritten matter in two tones
- - 1987276
Typewriting machine
- - 2369315
Method and means for selectively changing the effective printing surface of type
- - 2694481
/0759807.html
- - 0759807
Typewriting machine
- - 1983482
Apparatus for producing typewritten matter in two tones
- - 1987276
Typewriting machine
- - 2369315
Method and means for selectively changing the effective printing surface of type
- - 2694481
Inventors:
Howard, Wolowitz William
Publication Date:
09/07/1965
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Export Citation:
Assignee:
Howard, Wolowitz William
Primary Class:
Other Classes:
400/216.100, 400/240.100, 400/241.100, 400/311, 400/227
International Classes:
B41J29/36; B41J35/23; B41J29/26; B41J35/22
US Patent References:
Foreign References:
| GB528589A |