Intravenous infusion system
United States Patent 2771878
US Patent References:
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Inventors:
Folland, Willard E.
Ellis, Charles A.
Publication Date:
11/27/1956
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Assignee:
AMERICAN OPTICAL CORP
Primary Class:
604/248
Other Classes:
222/549, 222/58
International Classes:
A61M5/14; A61M5/168
US Patent References:
2626631Hydraulic control valve