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Light source, searchlight or the like for polarized light
US 2,748,659 A
Filed
: 02/26/1951
Issued
: 06/05/1956
Est. Priority Date
: 02/26/1951
Status: Expired due to Term
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Current Assignee
Hubert Schroder
,
Walter Geffcken
Original Assignee
Hubert Schroder
,
Walter Geffcken
Inventors
WALTER GEFFCKEN
,
Schroder, Hubert
Application Number
US03/212,725
Time in Patent Office
1,926 Days
Field of Search
US Class Current
359/489.11
CPC Class Codes
F21S 41/135
Polarised
G02B 27/283
used for beam splitting or ...
G02B 27/285
comprising arrays of elemen...
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