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ELECTRICALLY HEATED OPTICAL DEVICE
US 3,495,259 A
Filed
: 05/23/1968
Issued
: 02/10/1970
Est. Priority Date
: 05/23/1967
Status: Expired due to Term
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Current Assignee
August Hertel
,
Leimen Wolfgang Kriege
,
Rocholl Martin-Gottfried
,
Strietzel Rainer
Original Assignee
August Hertel
,
Leimen Wolfgang Kriege
,
Rocholl Martin-Gottfried
,
Strietzel Rainer
Inventors
ROCHOLL MARTIN-GOTTFRIED
,
LEIMEN WOLFGANG KRIEGE
,
STRIETZEL RAINER
,
Hertel, August
Application Number
US04/731,601
Time in Patent Office
628 Days
Field of Search
US Class Current
219/522
CPC Class Codes
G02B 27/0006
with means to keep optical ...
H05B 3/84
Heating arrangements specia...
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