Shorthand typewriting machine
United States Patent 2399769

Inventors:
Lee, Sweeney Joseph
Publication Date:
05/07/1946
View Patent Images:
Download PDF 2399769 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Lee, Sweeney Joseph
Primary Class:
400/93
Other Classes:
400/613.200, 400/95
International Classes:
B41J3/26; B41J3/00