Title:
Writing instrument
United States Patent 1744720


Inventors:
Blackburn, Guy W.
Application Number:
US3048825A
Publication Date:
01/28/1930
Filing Date:
05/15/1925
Assignee:
Blackburn, Guy W.
Primary Class:
Other Classes:
219/233, 219/482, 219/507, 219/541, 401/1
International Classes:
B29C65/18; H05B3/02
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