HYPODERMIC SYRINGE
United States Patent 3496937
US Patent References:
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- - 1798116

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- - 2221739

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Inventors:
Balson, John E.
Publication Date:
02/24/1970
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Assignee:
John, Balson E.
Primary Class:
604/132
Other Classes:
D24/114
International Classes:
A61M5/20; A61M5/24; A61M5/31; A61M5/32; A61M5/18
US Patent References:
2950717Ampules
2966282Dispensing package for fluids
3327904Liquid dispensing devices
3411503Collapsible mixing syringe with extrusion casing




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