Method and means of eradicating typewritten matter
United States Patent 1905118

Inventors:
Aaron, Nadell
Publication Date:
04/25/1933
View Patent Images:
Export Citation:
Assignee:
Aaron, Nadell
Primary Class:
Other Classes:
15/424, 400/697, 400/240.100
International Classes:
B41J11/60; B41J11/00