Title:
Hypodermic-injection apparatus
United States Patent 2168270

Inventors:
Paisley, Ellwood S.
Peters, Allen F.
Publication Date:
08/01/1939
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Assignee:
NAT DRUG COMPANY
Primary Class:
604/405
Other Classes:
604/415, 285/148.130, 604/411
International Classes:
A61M5/162; A61M5/14