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Apparatus for temperature measurement
US 2,818,508 A
Filed
: 01/26/1955
Issued
: 12/31/1957
Est. Priority Date
: 01/28/1954
Status: Expired due to Term
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Current Assignee
Ernst Rothe
,
Helmut Johanson
Original Assignee
Ernst Rothe
,
Helmut Johanson
Inventors
HELMUT JOHANSON
,
ERNST ROTHE
Application Number
US03/484,284
Time in Patent Office
1,070 Days
Field of Search
US Class Current
246/169.00A
CPC Class Codes
B61K 9/06
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