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Aspirator for administering medicine
US 2,535,844 A
Filed
: 08/01/1946
Issued
: 12/26/1950
Est. Priority Date
: 08/01/1946
Status: Expired due to Term
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Current Assignee
John H. Emerson
Original Assignee
John H. Emerson
Inventors
Emerson, John H.
Application Number
US02/687,586
Time in Patent Office
1,608 Days
Field of Search
US Class Current
128/200.21
CPC Class Codes
A61M 11/06
of the injector type
A61M 15/00
Inhalators drug delivery in...
A61M 15/0091
mechanically breath-triggered
Y10T 137/2514
Self-proportioning flow sys...
Y10T 137/2544
Supply and exhaust type
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