Method of and apparatus for printing
United States Patent 2319174

Inventors:
Mitchell, Wilson
Publication Date:
05/11/1943
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Assignee:
FRED K H LEVEY CO INC
Primary Class:
34/250
Other Classes:
310/308, 219/773, 101/416.100, 219/780, 250/325, 34/122
International Classes:
B41F23/04; B41F23/00