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Fog detecting and visibility measuring systems
US 2,907,889 A
Filed
: 09/21/1956
Issued
: 10/06/1959
Est. Priority Date
: 09/23/1955
Status: Expired due to Term
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Current Assignee
Lisle Nichols John Winfrith De
,
Michael H. Westbrook
Original Assignee
Lisle Nichols John Winfrith De
,
Michael H. Westbrook
Inventors
LISLE NICHOLS JOHN WINFRITH DE
,
Westbrook, Michael H.
Application Number
US03/611,156
Time in Patent Office
1,110 Days
Field of Search
US Class Current
356/342
CPC Class Codes
G01N 21/538
for determining atmospheric...
G01S 17/95
for meteorological use
Y02A 90/10
Information and communicati...
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