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Heart valve
US 2,832,078 A
Filed
: 10/17/1956
Issued
: 04/29/1958
Est. Priority Date
: 10/17/1956
Status: Expired due to Term
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Current Assignee
Williams, David T.
Original Assignee
Williams, David T.
Inventors
Williams, David T.
Application Number
US03/616,571
Time in Patent Office
559 Days
Field of Search
US Class Current
623/2.19
CPC Class Codes
A61F 2/2418
Scaffolds therefor, e.g. su...
A61F 2220/0058
soldered or brazed or welded
Y10T 137/788
Having expansible port
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