Type bar action
United States Patent 2723740
US Patent References:
Typewriting machine with power drives
- - 1789661

Power operated typewriter
- - 2043393

Typewriter
- - 2188935


Inventors:
Toeppen, Thurston H.
Publication Date:
11/15/1955
View Patent Images:
Download PDF 2723740 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
IBM
Primary Class:
400/368
Other Classes:
400/371
International Classes:
B41J5/28; B41J23/12; B41J5/00; B41J23/00