United States Patent 2734504
US Patent References:
Power drive for syringes
- - 1751139

Microinjector
- - 2270804

Motor drive for medical syringes
- - 2498672

Automatic hypodermic needle
- - 2605766


Publication Date:
02/14/1956
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Primary Class:
604/155
Other Classes:
128/DIG.001
International Classes:
A61M5/20