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HEART VALVE HAVING A FLEXIBLE WALL WHICH ROTATES BETWEEN OPEN AND CLOSED POSITIONS
US 3,548,417 A
Filed
: 09/05/1967
Issued
: 12/22/1970
Est. Priority Date
: 09/05/1967
Status: Expired due to Term
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Current Assignee
Jane N. Kischer
,
Ronnie G. Kischer
Original Assignee
Jane N. Kischer
,
Ronnie G. Kischer
Inventors
Kischer, Ronnie G.
,
Kischer, Jane N.
Application Number
US04/665,325
Time in Patent Office
1,204 Days
Field of Search
US Class Current
623/2.17
CPC Class Codes
A61F 2/2412
with soft flexible valve me...
F16K 15/1471
slits arranged along multip...
Y10T 137/788
Having expansible port
Y10T 137/7885
Multiple slit
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