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Fluid heater
US 2,470,481 A
Filed
: 11/15/1946
Issued
: 05/17/1949
Est. Priority Date
: 11/15/1946
Status: Expired due to Term
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Current Assignee
Ethelyn Freeman
Original Assignee
Ethelyn Freeman
Inventors
Freeman, Ethelyn
Application Number
US02/709,947
Time in Patent Office
914 Days
Field of Search
US Class Current
604/114
CPC Class Codes
A61M 2205/3653
by Joule effect, i.e. elect...
A61M 5/445
the media being heated in t...
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