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RANGEFINDING AND FOCUSING SYSTEM FOR PHOTOGRAPHIC CAMERAS AND THE LIKE
US 3,522,764 A
Filed
: 03/25/1968
Issued
: 08/04/1970
Est. Priority Date
: 03/25/1968
Status: Expired due to Term
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Current Assignee
Conrad H. Biber
,
William R. Pope Jr
Original Assignee
Conrad H. Biber
,
William R. Pope Jr
Inventors
Biber, Conrad H.
,
Pope, William R. Jr.
Application Number
US04/715,644
Time in Patent Office
862 Days
Field of Search
US Class Current
396/103
CPC Class Codes
G01S 15/101
Particularities of the meas...
G02B 7/40
using time delay of the ref...
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