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Automatic bellows refill
US 5,857,458 A
Filed
: 09/26/1997
Issued
: 01/12/1999
Est. Priority Date
: 09/26/1997
Status: Expired due to Term
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59
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Current Assignee
Datex-Ohmeda Incorporated
(General Electric Company)
Original Assignee
Ohmeda, Inc.
(Linde Plc)
Inventors
Keitel, Todd
,
Tham, Robert Q.
Primary Examiner(s)
Asher, Kimberly L.
Application Number
US08/938,540
Time in Patent Office
473 Days
Field of Search
128/205.13-205.17, 128/202.22, 128/204.28, 128/205.23, 128/203.12, 128/203.24, 128/203.25, 128/205.11, 128/203.28
US Class Current
128/203.28
CPC Class Codes
A61M 16/10
Preparation of respiratory ...
A61M 16/22
Carbon dioxide-absorbing de...
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