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Phonocardiac catheter
US 2,949,910 A
Filed
: 03/29/1957
Issued
: 08/23/1960
Est. Priority Date
: 03/29/1957
Status: Expired due to Term
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Current Assignee
David H. Lewis
,
James R. Brown
,
John D. Wallace
Original Assignee
David H. Lewis
,
James R. Brown
,
John D. Wallace
Inventors
Brown, James R.
,
Wallace, John D.
,
Lewis, David H.
Application Number
US03/649,577
Time in Patent Office
1,243 Days
Field of Search
US Class Current
600/528
CPC Class Codes
A61B 7/023
for introduction into the b...
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