Title:
Fountain-pen filler
United States Patent 1793891


Inventors:
Zieschang, Paul C.
Application Number:
US46774430A
Publication Date:
02/24/1931
Filing Date:
07/14/1930
Assignee:
Zieschang, Paul C.
Primary Class:
Other Classes:
74/422
International Classes:
B43K5/06
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