Hypodermic needle - Patent 2623520

Hypodermic needle

United States Patent 2623520

US Patent References:
/1087845.html
- - 1087845

Heart trocar
- - 1835287

Filling head
- - 1842134

Device for obtaining biopsy specimens
- - 1867624

Inventors:

Bamford Jr., Joseph C.
Colfax Jr., Richard S.

Publication Date:

12/30/1952

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Assignee:

Bamford Jr., Joseph C.
Colfax Jr., Richard S.

Primary Class:

604/165.010

International Classes:

A61M5/32; A61M5/34

Foreign References: