Title:
Hypodermic injection apparatus
United States Patent 2667871


Inventors:
Hein Jr., George N.
Application Number:
US25726351A
Publication Date:
02/02/1954
Filing Date:
11/20/1951
Assignee:
Hein Jr., George N.
Primary Class:
International Classes:
A61M5/30; A61M5/24; A61M5/315; A61M5/48
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US Patent References:
2380534Hypodermic injector1945-07-31