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Prosthetic valve for cardiac surgery
US 3,197,788 A
Filed
: 04/23/1962
Issued
: 08/03/1965
Est. Priority Date
: 04/23/1962
Status: Expired due to Term
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Current Assignee
Franz-Josef Segger
Original Assignee
Franz-Josef Segger
Inventors
FRANZ-JOSEF SEGGER
Application Number
US04/189,399
Time in Patent Office
1,198 Days
Field of Search
US Class Current
623/2.19
CPC Class Codes
A61F 2/2412
with soft flexible valve me...
Y10T 137/788
Having expansible port
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