Hypodermic injection apparatus
United States Patent 2667871
US Patent References:
Hypodermic injector
- - 2380534


Inventors:
Hein Jr., George N.
Publication Date:
02/02/1954
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Assignee:
Hein Jr., George N.
Primary Class:
604/70
International Classes:
A61M5/30; A61M5/24; A61M5/315; A61M5/48