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Method of and apparatus for automatic identification of finger prints
US 2,952,181 A
Filed
: 12/31/1956
Issued
: 09/13/1960
Est. Priority Date
: 12/31/1956
Status: Expired due to Term
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Current Assignee
Maurer Jr John Andrew
Original Assignee
Maurer Jr John Andrew
Inventors
MAURER JR JOHN ANDREW
Application Number
US03/631,794
Time in Patent Office
1,352 Days
Field of Search
US Class Current
356/71
CPC Class Codes
G06V 40/1324
by using geometrical optics...
G06V 40/1347
Preprocessing; Feature extr...
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