Title:
Self-filling sac pen
United States Patent 1798046


Inventors:
George, Sweetser
Application Number:
US40633229A
Publication Date:
03/24/1931
Filing Date:
11/11/1929
Assignee:
MENTMORE MFG COMPANY LTD
Primary Class:
Other Classes:
401/232
International Classes:
B43K5/04
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