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Apparatus for detecting sources of infra-red rays
US 2,976,419 A
Filed
: 09/07/1954
Issued
: 03/21/1961
Est. Priority Date
: 09/14/1953
Status: Expired due to Term
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Current Assignee
Ferdinand Menke Joseph
,
Hans Doerpinghaus Ernst
Original Assignee
Ferdinand Menke Joseph
,
Hans Doerpinghaus Ernst
Inventors
FERDINAND MENKE JOSEPH
,
HANS DOERPINGHAUS ERNST
Application Number
US03/454,337
Time in Patent Office
2,387 Days
Field of Search
US Class Current
250/338.1
CPC Class Codes
G01J 1/42
using electric radiation de...
G01S 11/12
using electromagnetic waves...
H04B 10/60
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