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Pyrometer
US 2,920,485 A
Filed
: 01/11/1955
Issued
: 01/12/1960
Est. Priority Date
: 01/11/1955
Status: Expired due to Term
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Current Assignee
William Derganc
Original Assignee
William Derganc
Inventors
WILLIAM DERGANC
Application Number
US03/481,124
Time in Patent Office
1,827 Days
Field of Search
US Class Current
374/129
CPC Class Codes
G01J 5/0805
Means for chopping radiation
Y10S 246/01
Radiant energy devices
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