Title:
Cannula
United States Patent 2868199


Inventors:
Hudson, Charles H.
Application Number:
US50983155A
Publication Date:
01/13/1959
Filing Date:
05/20/1955
Assignee:
Hudson, Charles H.
Primary Class:
International Classes:
A61M16/06
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US Patent References:
2693800Nasal cannula1954-11-09
2499650Nasal oxygen feeder and method1950-03-07
2215188Inhaler1940-09-17
1599111Inhaler1926-09-07
1483572Inhaler1924-02-12