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Respiratory ventilation meter
US 2,787,999 A
Filed
: 09/13/1951
Issued
: 04/09/1957
Est. Priority Date
: 09/13/1951
Status: Expired due to Term
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Current Assignee
Ray Bennett Vivian
Original Assignee
Ray Bennett Vivian
Inventors
RAY BENNETT VIVIAN
Application Number
US03/246,453
Time in Patent Office
2,035 Days
Field of Search
US Class Current
128/205.23
CPC Class Codes
A61M 16/00
Devices for influencing the...
A61M 16/10
Preparation of respiratory ...
G01F 3/10
Geared or lobed impeller me...
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