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METHOD FOR MAKING AN ANATOMICAL CHECK VALVE
US 3,445,916 A
Filed
: 04/19/1967
Issued
: 05/27/1969
Est. Priority Date
: 04/19/1967
Status: Expired due to Term
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Current Assignee
American Hospital Supply Corp.
(Baxter International Inc.)
Original Assignee
Rudolf R. Schulte
Inventors
Schulte, Rudolf R.
Application Number
US04/632,019
Time in Patent Office
769 Days
Field of Search
US Class Current
29/458
CPC Class Codes
A61F 2/2412
with soft flexible valve me...
F16K 15/147
the closure elements having...
F16K 15/1471
slits arranged along multip...
Y10T 137/7885
Multiple slit
Y10T 29/49885
with coating before or duri...
Y10T 29/49888
Subsequently coating
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