Title:
Hypodermic needle with retractable tip
United States Patent 3347232
US Patent References:
/1087845.html
- - 1087845

Hypodermic needle
- - 3099988

Surgical catheter
- - 3204634


Inventors:
Abraham, Ginsburg
Publication Date:
10/17/1967
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Assignee:
Abraham, Ginsburg
Primary Class:
604/158
Other Classes:
604/272
International Classes:
A61M5/32