Title:
Retarded-delivery device for fountain-pens
United States Patent 1347901


Inventors:
Fitzpatrick, William T.
Application Number:
US32243619A
Publication Date:
07/27/1920
Filing Date:
09/08/1919
Assignee:
Fitzpatrick, William T.
Primary Class:
Other Classes:
401/229
International Classes:
B43K5/18
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