Device for making drawings
United States Patent 3063162
US Patent References:
/0353919.html
- - 0353919

Drawing apparatus
- - 1821252


Inventors:
Quinn, George W.
Publication Date:
11/13/1962
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Assignee:
Quinn, George W.
Primary Class:
434/90
Other Classes:
428/542.600
International Classes:
B43L13/16; B43L13/14