Title:
Copyholder
United States Patent 2194019
Inventors:
Hartsel, Gladys S.
Publication Date:
03/19/1940
Export Citation:
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Assignee:
Hartsel, Gladys S.
Primary Class:
248/451
Other Classes:
248/461, D19/91
International Classes:
B41J29/15; B41J29/15
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